| 单词 | caustic soda |
| 例句 | On Rack 10 rows of next generation’s chemical workers were being trained in the toleration of lead, caustic soda, tar, chlorine. Brave New World 1932-01-01T00:00:00Z Liquid nerve agents drained from those warheads are mixed with water and caustic soda and then heated and stirred. U.S. Is Destroying the Last of Its Once-Vast Chemical Weapons Arsenal 2023-07-06T04:00:00Z "She mixes it in so that the strong smell of caustic soda does not remain," Jussara says. What women on minimum wage gave up in 2022 2022-12-27T05:00:00Z It is used by the chlor-alkali industry, which produces bleach, caustic soda and other products. EPA rule would finally ban asbestos, carcinogen still in use 2022-04-05T04:00:00Z The substance is found in products such brake linings and gaskets, and is used to manufacture chlorine bleach and sodium hydroxide, also known as caustic soda. EPA rule would finally ban asbestos, carcinogen still in use 2022-04-05T04:00:00Z He wondered if they had found his reserves of white, granular caustic soda and mistaken it for something more sinister. The invisible city: how a homeless man built a life underground 2020-03-05T05:00:00Z The authorities said he sprayed the chemical, called caustic soda, “as a revenge on society,” Xinhua reported. 51 Children Hurt in Chemical Attack at Chinese Elementary School 2019-11-12T05:00:00Z Tuticorin is a hub for a number of other polluting industries including fertiliser, thermal power and caustic soda. 'The martyrs did it': bloody end to Indian copper plant saga 2018-06-05T04:00:00Z He said that the Islamic State tried loading 120-millimeter mortar rounds with caustic soda, but that the munitions rusted to the point of exuding salts. How ISIS Produced Its Cruel Arsenal on an Industrial Scale 2017-12-10T05:00:00Z The Israeli Dead Sea Works extracts potash, bromine, caustic soda, magnesium, and table salt from the southern end of the Dead Sea using these evaporation pans. Satellite eye on Earth: October – in pictures 2017-11-28T05:00:00Z The DC fire department said sodium hydroxide, also known as lye and caustic soda, is leaking from one car. Washington DC chemical leak after CSX freight train derails - BBC News 2016-05-01T04:00:00Z Centers for Disease Control and Prevention website, sodium hydroxide is a caustic soda, similar to lye. Freight train derails in Washington, cars leaking hazardous chemicals 2016-05-01T04:00:00Z Authority spokesman Brendan Schubert says they switched from caustic soda to soda ash correlate. Pittsburgh sewer authority uses new chemical to fight lead 2016-01-22T05:00:00Z “Many times, in the absence of proper means, desperate women consume toxic chemicals like caustic soda to pull off an abortion,” he says. From Nagpur to Northern Ireland: pill pipeline helping women get round abortion ban 2016-01-06T05:00:00Z When the results showed Johnson was lying, the effect was like caustic soda stripping away Pound’s naivety. How Russian athletics’ rotten system built a wall to conceal doping and deceit | Sean Ingle 2015-11-09T05:00:00Z The Coast Guard said Friday that the caustic soda had dissipated. Mississippi River reopened after towboats collision 2015-07-03T04:00:00Z In the most disturbing scene - based on a real-life incident - a black man is made to drink caustic soda and dies. The film that takes on skinheads and the far right - BBC News 2015-06-16T04:00:00Z The survey showed some tanks contained thousands of gallons of brine, oil and gas used in natural gas drilling, while one 275,000-gallon tank held hazardous sodium hydroxide, also called caustic soda. State IDs faulty tanks; now tank law is being scaled back 2015-05-02T04:00:00Z According to the National Institutes of Health, sodium hydroxide - also known as lye and caustic soda - is found in many industrial solvents and cleaners. 5 hospitalized in Forsyth Co. chemical spill 2014-07-29T04:00:00Z The process invented by German chemist Carl Dahl in the 1880s turns wood into pulp using caustic soda and sodium sulphate. Getting rid of dirt - and murder victims 2014-05-02T23:21:49Z The Coast Guard says the overturned barge released an unknown amount of caustic soda solution into the waterway but was neutralized soon after entering the water. Mississippi River reopened after towboats collision 2015-07-03T04:00:00Z Currently, the disposal of caustic soda in the Niger river is leading to regular lethal accidents. VIDEO: Mali's dyed brocade dilemma 2014-05-02T11:19:39Z But modern chemical dyes, which are bright and fast, require caustic soda. The best dyed cloth in the world? 2014-05-01T23:00:27Z Mesaieed Petrochemical holds stakes in ventures that manufacture polyethylene, caustic soda and other chemical products. UPDATE 1-Qatar plans first IPO since 2010, for unit of Qatar Petroleum 2013-12-22T12:45:11Z But the great feedstock of the chemicals industry is a different sodium chemical - sodium hydroxide, better known as caustic soda. Getting rid of dirt - and murder victims 2014-05-02T23:21:49Z Several barges breaking loose; one barge, loaded with caustic soda, overturned but was out of the navigable waterway, while the others were safely recovered. Mississippi River reopened after towboats collision 2015-07-03T04:00:00Z Boxes of caustic soda and baking powder could easily be mistaken. 10 dangerous things in Victorian/Edwardian homes 2013-12-10T04:07:26Z “There were the soap-packing plants, for instance, where girls were exposed to caustic soda that turned their nails yellow and ate away at their fingers,” Mr. Bettmann wrote. F.Y.I.: Answers to Questions About New York 2013-06-22T03:30:00Z He also runs the trading book for caustic soda and coke, both used to produce aluminum. Exclusive: Glencore's top aluminum exec to leave, first exit since takeover-sources 2013-05-21T15:35:22Z She drugged them, killed them with an axe, and then disposed of their bodies by boiling them in caustic soda. Getting rid of dirt - and murder victims 2014-05-02T23:21:49Z Four of the barges sank and three, including one carrying caustic soda, remained afloat, said Ron Fournier, a spokesman for the Army Corps' Rock Island district. Floods shut Mississippi, Illinois river locks: Army Corps 2013-04-19T22:02:45Z Carbon Engineering’s machines use a carbon-dioxide-absorbing solution of caustic soda to remove the gas from the air. Novelties: Pilot Plant in the Works for Carbon Dioxide Cleansing 2013-01-05T19:32:32Z Despite our expectation for some continued weakness in chlorine demand, we believe tightness in the caustic soda market will support pricing. TEXT-S&P rates Olin's unsecured notes 'BB-' 2012-08-09T16:02:38Z The U.S. was a leading global source of mercury in those years, thanks largely to the decommissioning of plants that used it in the production of chlorine and caustic soda, according to Brooks. Mercury's Poisonous, Profitable Role in the New Gold Rush 2012-05-24T22:12:48Z From rat poison found in vegetables and Diwali-festival sweets laced with caustic soda, to batches of moonshine liquor that kill scores of people at a time -- adulteration is rife. Insight: Soapy milk, toxic apples: India's sour food safety 2012-02-13T02:59:22Z If the walls are painted, they should be washed with caustic soda. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z The exhaled air is therefore led down a pipe to the regenerator, where it comes into contact with several trays of caustic soda, a chemical which has a great affinity for carbonic acid. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z The liquid is filter-pressed, and any excess of iron in the filtrate is precipitated by the careful addition of caustic soda and then removed. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The plates were then washed in water, and later in 10% solution of caustic soda. Paint Technology and Tests 2011-09-15T02:00:12.263Z They were produced by passing air and chlorine into solutions of caustic soda. Chlorination of Water 2011-09-13T02:00:32.243Z To the whole is added, drop by drop, with constant stirring, a solution of caustic soda until the blue precipitate entirely disappears, leaving a perfectly clear, light yellow liquid, which is now ready for use. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z Fresh cylinders of oxygen can be connected up very quickly in place of the empty ones, while a fresh regenerator can be put in, or new caustic soda supplied, in a very short time. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z The cost of goods sold -- excluding selling, general administrative and some other expenses -- increased 25 percent to $5.25 billion on rising prices for electricity, fuel oil, caustic soda and carbon products. Alcoa Profit Doubles as Aluminum Price Increase Outweighs Costs 2011-07-12T01:25:01Z Soda ash, among Solvay’s main products, is a bulk ingredient in the glass-making industry, while caustic soda is a raw-material for detergents. Solvay’s Pursuit of Rhodia Feeds $25 Billion Chemical Deal Boom 2011-04-05T01:40:30Z This mode of accelerating the movement of fine sediments in water is perhaps more easily applied than the solution of caustic soda or potash, or of common salt. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z When an alkaline chloride, say sodium chloride, is electrolysed with one electrode immersed in a porous cell, while caustic soda is formed at the cathode, chlorine is deposited at the anode. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The result is that the latter gas is extracted from the impure air, finding a more congenial home in the caustic soda. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z Gains will be driven by higher prices for caustic soda and sales of products used in automobile parts and foam cushioning, said David Begleiter, a New York-based analyst at Deutsche Bank AG. Apple, Dow Drive U.S. Fourth-Quarter Profits to 19-Year High 2011-01-07T05:50:12Z Rosa Martinez remembered that Cubans made their own soap from aloe vera and caustic soda during the severe economic crisis of the 1990s but did not think the situation will get that bad now. Cubans stock up as reforms take toll on ration 2010-12-30T21:47:56Z Cotton is dyed by first impregnating it with a solution of manganous chloride, then dyeing and passing into a hot solution of caustic soda. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The caustic soda is then exposed to the power plant's exhaust, where it combines with carbon dioxide to create, over two steps, sodium carbonate and then sodium bicarbonate. Making The Best Out Of Carbon Capture 2010-06-11T19:00:00Z The apparatus contains sufficient oxygen and caustic soda for this to go on for a space of two hours. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z Officially called chlor-alkali plants, they use cells full of mercury as cathodes in a reaction where salt brine is turned into chlorine gas and caustic soda, or lye. 2009-11-17T05:00:00Z Wool may be dissolved completely by a warm solution of caustic soda. The Copeland Method A Complete Manual for Cleaning, Repairing, Altering and Pressing All Kinds of Garments for Men and Women, at Home or for Busines Since a fair amount of caustic soda is necessary for the setting of the vat, the dyestuff is not suitable for animal fibres. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z Then add the caustic soda lye and keep on heat with occasional mixing until it is all taken up. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The caustic alkalies are strong alkalies which have a powerful corrosive action on the skin, and the common ones are potassic hydroxide or caustic potash, sodic hydroxide or caustic soda, and lithic hydroxide. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide It is prepared commercially from anthracene by stirring a sludge of anthracene and water in horizontal cylinders with a mixture of sodium bichromate and caustic soda. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" It is then boiled with dilute caustic soda and resin soap, washed, bleached white with bleaching-powder, washed, soured and finally washed free from acid. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" When heated with a 10 to 15 per cent solution of caustic soda, cellulose fibers thicken and become translucent, thus resembling silk fibers. The Chemistry of Plant Life These lyes, known as strengthening lyes are run to storage to be used subsequently with fresh fat to take up the caustic soda contained therein. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. By the addition of caustic soda to cerous salts, a white precipitate of cerous hydroxide is formed. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Then again, there are other products of industrial value which are associated with ammonia, such, for example, as ammonia-alum and caustic soda. Coal and What We Get from It First lye boil with soda ash and caustic soda. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" In order to obtain the phenol from this distillate, it is treated with caustic soda, which dissolves the phenol and its homologues together with a certain quantity of naphthalene and other hydrocarbons. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" In some cases ammonia is used in addition to caustic soda in neutralizing the oil. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The breath exhaled by the diver passes through a valve into the caustic soda, which absorbs the carbonic acid, and it is then again inhaled through another valve. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" A new application for caustic soda and potassium chlorate necessitated an increased production of these materials. Coal and What We Get from It It is thrown on a linen filter and afterwards dissolved in half a litre of caustic soda solution of 16° B. when it is ready for use. Paper and Printing Recipes A Handy Volume of Practical Recipes, Concerning the Every-Day Business of Stationers, Printers, Binders, and the Kindred Trades A variety of smaller plants were also built for the production of such items as caustic soda, sulfuric acid, rubber products, electrical equipment and light bulbs, footwear, and vegetable oils. Area Handbook for Albania Three-fourths of the amount of caustic soda required to complete the neutralization is first added and then the neutralization is completed with a one to one liquid ammonia and water solution. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Boil eight parts of stearic acid and one part of caustic soda in fifty parts of water, until dissolved. Book Repair and Restoration This solid solution was made alkaline with a trace of caustic soda in order to bring out the red colour of a little phenol-phthalein added as indicator. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" And one night I went into the lavatory and put a piece of caustic soda into her sponge as it lay on the rack. Captain Macedoine's Daughter The oil is mixed with dilute caustic soda solution, and the solution of phenols thus obtained is worked up with that obtained from the next fractions. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" When the addition of the proper amount of caustic soda is nearing its completion the soap gradually thins. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The solution is filtered and the hydrochloride of the base precipitated by alcoholic hydrochloric acid; the free base is obtained as an oil by adding caustic soda. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" The addition of a dilute solution of caustic soda or potash greatly aids the examination, as it removes the layer of cells adhering to the fungus, which obscures the structure. Special Report on Diseases of Cattle The strong bases, like lye and caustic soda, are also called alkalies. Common Science After this the crude benzol is thoroughly washed with water and dilute caustic soda solution, until its reaction is neutral. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Should too much acid have been added, caustic soda solution is added until the lye is between exactly neutral and 0.02% alkaline. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Another method used for cooking such woods as poplar and gum, is to boil the wood in caustic soda, which destroys everything except the cellulose. Makers of Many Things If the solution does not then clear up, the caustic soda must have been very low grade, and the undissolved substance must be arsenic. Special Report on Diseases of Cattle Ammonia, lye, and plain caustic soda have no carbon dioxid in them to bubble out. Common Science This is purified by fractionation in iron stills and distillation over caustic soda. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" After having boiled for 3 to 4 minutes, N/4 caustic soda is added until the pink color just returns and the amount of caustic soda used is read on the burette. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Boiling these in caustic soda removes the shellac. Makers of Many Things Such an extra addition of caustic soda will be required only in case of a very low-grade chemical or a very highly acid tar. Special Report on Diseases of Cattle She had also baking soda, caustic soda, lemons, oranges, vanilla, salad oil, vinegar, and lye. Common Science Cobalt dioxide, CoO2, has not yet been isolated in the pure state; it is probably formed when iodine and caustic soda are added to a solution of a cobaltous salt. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The difference between the number of cubic centimeters of N/4 sulfuric acid and N/4 caustic soda gives the amount of alkali in the sample. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. It was discovered many years ago that if a piece of cotton cloth was boiled in caustic soda, it would become soft and thick and better able to receive delicate dyes. Makers of Many Things The agent to be used may be either caustic soda or potash in the form of sticks about the thickness of an ordinary lead pencil. Special Report on Diseases of Cattle Lye, ammonia, caustic soda, and baking and washing soda are common bases. Common Science More recently we have been using potash-lime, substituting caustic potash for caustic soda in the formula, and the results thus obtained are, if anything, more satisfactory than with the soda-lime. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man The following tables give the approximate theoretical amounts of acids of various strengths required to neutralize one pound of caustic soda: For 1 pound of caustic soda— 3.25 lbs. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Remove the stopper from the caustic soda bottle. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Probably a reaction takes place between the lime and the salt, the result of which is the formation of caustic soda. Manures and the principles of manuring If a person swallows lye or caustic soda, he should immediately drink as much vegetable oil or animal oil as possible. Common Science Hand grenades or bombs are also employed which, upon bursting, liberate the gas or in some cases scatter acids or caustic soda. Manual of Military Training Second, Revised Edition To weigh the caustic soda or potash place about five grams on a watch glass on a balance and weigh as rapidly as possible. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. To analyse the gas and to determine roughly the relative proportions of CO2 and H2, proceed as follows: Fill the bulb of the fermentation tube with caustic soda solution. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Horn may be softened, and ultimately dissolved in caustic soda. Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. Although strong hydrochloric acid and strong caustic soda are dangerous, if they are diluted with enough water they are perfectly harmless. Common Science It was used by the flat-sweeper and messengers for the stowage of brooms, polishing paste, caustic soda and other appliances of their craft, and was just large enough to hold a small man upright. The Long Trick There are furthermore required other tanks or vessels to hold the solutions used such as caustic soda, ammonia and acid. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Neutralise to litmus by the addition of n/1 caustic soda solution and boil. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Mr. Hirschi said that for killing trees by poison he uses two pounds white arsenic, one pound caustic soda and one gallon of water. Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report Wooster, Ohio, September 3, 4, 5, 1946 When the litmus paper begins to turn blue, add the dilute caustic soda drop by drop until the litmus paper stays blue when you stir the mixture. Common Science To fit it for burning in lamps, it must be treated with sulphuric acid, which carries away some of the impurities, and then with caustic soda, which carries away others. Diggers in the Earth B. caustic soda solution is prepared and added slowly to the acidified oil with constant stirring. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Again neutralise to litmus by addition of n/10 caustic soda solution. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. This is a process of treating cotton yarn or fabrics with caustic soda and sulphuric acid whereby they are made stronger and heavier, and given a silky luster and feel. Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades On the shelf there were: hydrochloric acid, vinegar, lye, caustic soda, baking soda, ammonia, salt, alcohol, kerosene, salad oil. Common Science As a last resort add caustic soda solution very gradually. Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer There are generally impurities present in commercial caustic soda. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. With another pipette run in an equal quantity of the caustic soda solution. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. About 250 parts of caustic soda are generally employed for this purpose. Photographic Reproduction Processes But if you neutralize an acid with ammonia, lye, or plain caustic soda, there is not a bit of effervescence. Common Science Add then not more than a teaspoonful at a time caustic soda solution until the Stock Solution answers the glass test. Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer After separating the potassium chloride from the magnesium chloride and other substances found in Stassfurt salts the methods of manufacture of caustic potash are identical to those of caustic soda. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Repeat the copper sulphate test, using excess of caustic soda to displace the ammonia from the ammonium sulphate. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. If the wood is treated by sulphurous acid or bi-sulphite of lime fumes, it is called the "sulphite process"; if by caustic soda, the "soda process." The Building of a Book A Series of Practical Articles Written by Experts in the Various Departments of Book Making and Distributing It is a great advantage to have the caustic soda solution hot. On Laboratory Arts Digested with caustic soda solution it yielded 33 p.ct. of its weight of the soluble 'acid cellulose.' Researches on Cellulose 1895-1900 This prejudice has now been entirely overcome and most of the caustic soda used in this country is manufactured here. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Render the reaction of the medium neutral to litmus paper by the cautious addition of normal caustic soda. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Make a solution of 9 parts of caustic soda and 150 parts of water, and put the separate parts of the stove in the solution for an hour or two. Practical Mechanics for Boys If the water supply is hard, it should be treated chemically; the softening agents may be lime and soda ash together, soda ash alone, or caustic soda. The Handbook of Soap Manufacture In order to ascertain the effect of dilute ammonia on the cellulose substances of lignin, a dried 5 p.ct. caustic soda extract was extracted successively with 1, 2, 3, and 4 p.ct. sodium hydroxide solution. Researches on Cellulose 1895-1900 Since soda ash or sodium carbonate is cheaper than caustic soda and readily unites with a fatty acid, it is used as the alkali in the carbonate saponification. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Estimate the reaction and add sufficient caustic soda solution to restore the reaction of the medium mass to the equivalent of the original urine. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The cheapest and most universally used for this purpose are soda ash and caustic soda. Practical Mechanics for Boys Having determined the amount of free acidity, the quantity of caustic soda lye necessary to neutralise it is diluted with water to 12° or 15° Tw. The Handbook of Soap Manufacture Also try a solution of caustic soda on the fibres. Textiles and Clothing Thus about 10 per cent. of the fatty acids are true neutral fats and require caustic soda for their saponification. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Place unbroken hens' eggs in dekanormal caustic soda solution for ten days. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. In principle the lye boil is simple, consisting in boiling the goods with a solution of soda ash, or caustic soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student This is best carried out by converting the rosin into a resinate of soda by boiling it with a solution of either caustic soda or carbonated alkali. The Handbook of Soap Manufacture Wool resists the action of acids very well, but is much harmed by the alkalis, being dissolved completely by a warm solution of caustic soda. Textiles and Clothing The cake is now removed from the press and transferred to a small tank where it is treated with sufficient caustic soda to convert the fat content into soap. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Add normal caustic soda solution in successive small quantities, and test the reaction from time to time with litmus paper, until the fluid reacts faintly alkaline. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. There is no advantage in using caustic soda in this preliminary boil, soda ash being just as effective and cheaper. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The admixture of a little caustic potash with the caustic soda greatly improves the appearance of the resultant product, which is smoother and milder. The Handbook of Soap Manufacture Why, in softening waters for household purposes, must caustic soda, potash, and bleaching powder be used with caution? Human Foods and Their Nutritive Value Some caustic soda solutions show a marked diminution in strength after being boiled; such solutions should be rejected. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Then add sufficient caustic soda solution to render the reaction +10. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The action of strong solutions of caustic soda or caustic potash upon cellulose or cotton is somewhat different. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Saponification under Increased or Diminished Pressure.—Soaps made by boiling fats and oils, under pressure and in vacuo, with the exact quantity of caustic soda necessary for complete combination, belong also to this class. The Handbook of Soap Manufacture Caustic potash and caustic soda are sometimes employed for softening water, but they are very active and are not adapted to washing colored or delicate fabrics. Human Foods and Their Nutritive Value These comprise soda ash, soda crystals, caustic soda, silicate of soda, potash, caustic potash, soaps of various kinds, stale urine, ammoniacal compounds. The Dyeing of Woollen Fabrics The estimation is carried out by means of titration experiments against standard solutions of caustic soda, in the following manner: Method of Estimating the Reaction.— The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Dianil black C R. 3 lb. caustic soda, 36° Tw. and 20 lb. salt, fixing with 3 lb. copper sulphate, 3 lb. bichromate of potash and 2 lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The fatty materials, carefully strained and freed from particles of dirt and fibre, are boiled with weak caustic soda lye until combination has taken place. The Handbook of Soap Manufacture The sodium goes to one pole and combines with water to form caustic soda, whereas the chlorine escapes at the other pole. Kelly Miller's History of the World War for Human Rights Indophenol are thoroughly ground into a paste with 7 gallons of water and 2 pints caustic soda lye of 72��Tw. The Dyeing of Woollen Fabrics Next add caustic soda solution until the colour of the solution changes from yellow to red. A Text-book of Assaying: For the Use of Those Connected with Mines. This oil is prepared from castor oil by a process of treatment with sulphuric acid, washing with water and neutralising with caustic soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student When the action has started, caustic soda lye of a greater density, 29° to 33° Tw. The Handbook of Soap Manufacture The ligroine solution is then first treated with dilute acetic acid, and then with a dilute solution of caustic soda, whereupon a large quantity of a resinous precipitate is formed. Scientific American Supplement, No. 315, January 14, 1882 Where woolen fibers occur, which is much less frequently, their disintegration is accomplished generally by the use of caustic soda. Scientific American Supplement, No. 1178, June 25, 1898 On no condition must caustic soda or ammonia be added. A Text-book of Assaying: For the Use of Those Connected with Mines. When boiled with weak caustic soda it melts but is not dissolved by the alkali; it can, however, be dissolved by boiling with alcoholic caustic potash. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Owing to the solubility in weak brine of these latter soaps, it is preferable to grain them with caustic soda lye. The Handbook of Soap Manufacture This filtrate is freed from alcohol by evaporation over a water bath, the approximate quantity of a solution of caustic soda then added, and the whole shaken up with ether. Scientific American Supplement, No. 315, January 14, 1882 Sufficient caustic solution was added to furnish 25 or 30 per cent of actual caustic soda, calculated on the bone-dry weight of hurds in the charge. Hemp Hurds as Paper-Making Material United States Department of Agriculture, Bulletin No. 404 Cool; add caustic soda till nearly, but not quite, neutralised, and separate the iron as basic acetate by the method described under Iron. A Text-book of Assaying: For the Use of Those Connected with Mines. Allow the fatty matter to soak well in, and then boil the goods in a little caustic soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The tallow is thoroughly saponified first, and the graining is performed by the aid of caustic soda lye in preference to salt. The Handbook of Soap Manufacture On adding the nitroprusside solution to a fresh portion of wool boiled with caustic soda, to dissolve out the sulphur, a splendid purple coloration is produced. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association The sodium by the action of water goes into caustic soda. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries With sodic carbonate and caustic soda, a given weight of the sample is titrated with standard acid, and the equivalent of soda estimated from the alkalinity of the solution. A Text-book of Assaying: For the Use of Those Connected with Mines. There is usually used 2 lb. to 3 lb. of caustic soda, or 3 lb. to 4 lb. of soda for each 100 lb. of goods so treated. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Twenty-three lb. of pure glycerine and 56 lb. of bright caustic soda solution made from high grade caustic and having a density of 72° Tw. The Handbook of Soap Manufacture The residue boiled with caustic soda would lose all its wool, which is soluble in hot strong caustic alkali. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Then the remaining acid is neutralized by caustic soda, and thereby converted into common salt, which in this small amount does not interfere but rather enhances the taste. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The residue is fused with caustic soda and extracted with water. A Text-book of Assaying: For the Use of Those Connected with Mines. Resorcine, like naphthol, is insoluble in water, but it can be dissolved by using either soda ash or caustic soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Although, in these days of pure caustic soda, spent lyes are more free from impurities than formerly, the presence of sulphides and sulphites should be carefully avoided, if it is desired to produce good glycerine. The Handbook of Soap Manufacture If, instead of caustic soda as in III., a solution of oxide of copper in ammonia be used, cotton and silk are dissolved, but wool remains unchanged, i.e. undissolved. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association In 1886 he produced metallic sodium by mixing caustic soda with iron and charcoal in an iron pot and heating in a gas furnace. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries It should be ignited, weighed and boiled with a solution containing less than 10 per cent. of caustic soda: this dissolves the separated silica. A Text-book of Assaying: For the Use of Those Connected with Mines. It is not desirable to use any more caustic soda than is necessary to dissolve the beta-naphthol, so that the bath is not too alkaline. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student After cooling, sufficient pure neutralised glycerine is added to form one-third of the total volume, and the liquid titrated with N/2 caustic soda solution, using phenol-phthalein as indicator. The Handbook of Soap Manufacture Permanent hardness in water, due to the presence of gypsum or sulphate of lime in solution, may be remedied by addition of caustic soda. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association The liquid thus formed is squirted through a fine nozzle into a precipitating solution of caustic soda and glucose, which brings back the cellulose to its original form. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries From repeated trials, it was found that caustic soda when heated with wood chips destroyed everything in the wood except the desired substance, cellulose; this could be removed, bleached, dried, and pressed into paper. General Science It is dissolved in caustic soda, 10 lb. phenol, 15 lb. caustic soda lye of 70° Tw., and 60 gallons of water. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The highest grade, containing as it does more available caustic soda and less impurities, is much more advantageous in use. The Handbook of Soap Manufacture In fact, we have a method of recovering indigo from indigo-dyed woollen rags, based on the solubility of the wool in hot caustic soda. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association It dissolves phosphorus, sulphur, and iodine without any noticeable change, and also mixes with caustic soda and potash. The Art of Perfumery And Methods of Obtaining the Odors of Plants Most fats contain a substance of an acid nature, and are decomposed by the action of bases such as caustic soda and caustic potash. General Science Dianil dark blue R, 3 lb. caustic soda 70° Tw., and 25 lb. salt, working at the boil for one hour. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Crude Cotton-seed Oil.—The deep colouring matter of crude cotton-seed oil, together with the mucilaginous and resinous principles, are removed by refining with caustic soda lye. The Handbook of Soap Manufacture To show this, we take a quantity of flowers of sulphur, dissolve in caustic soda, and add to the lead solution. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Borax is a mild alkaline body, and as a detergent is probably equivalent to a slight excess of caustic soda. Scientific American Supplement, No. 561, October 2, 1886 A neutral liquid formed as in Section 204, by the action of hydrochloric acid and the alkali solution of caustic soda, has a brackish, salty taste, and is, in fact, a solution of salt. General Science In place of using lime in making up the vat it is possible to use a mixture of caustic soda and ammonia. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Fatty acids are readily saponified with caustic soda or caustic potash of all strengths. The Handbook of Soap Manufacture Boiling in open pans with caustic soda lye is insufficient to reduce the wood to pulp, and so boiling in strong vessels under pressure is adopted. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association The total amount of salt cake decomposed weekly is about 400 tons, and may be reckoned as yielding 240 tons of 60 per cent. caustic soda. Scientific American Supplement, No. 620, November 19,1887 Air is drawn by them through the purifier, D, where it is freed from carbon dioxide and moisture by the layers of quicklime and caustic soda with which the purifier is charged. Scientific American Supplement, No. 623, December 10, 1887 The alkaline copper solution is made by taking 5 pints of copper chloride solution at 76° Tw., adding 3¼ lb. tartaric acid, 6 pints caustic soda lye, 70° Tw., and 2 pints of glycerine. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The pan is opened with caustic soda lye and saturation of the rosin takes place rapidly; when completely saponified it is grained with salt, and the coloured lye allowed to deposit and finally withdrawn. The Handbook of Soap Manufacture Oxide of copper is black, and so in this decomposition what is called a "black precipitate" of that oxide is produced on adding the caustic soda. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Another process is to boil the gun-cotton, &c., in a solution of sodium stannate made by adding caustic soda to a solution of stannous chloride, until the precipitate first formed is just re-dissolved. Nitro-Explosives: A Practical Treatise In soap-factories the girls' hands are eaten by the caustic soda, and by the end of the day the fingers are often raw and bleeding. Women Wage-Earners Their Past, Their Present, and Their Future In another vessel dissolve 11 lb. of acetate of soda in 5½ gallons water, then add 1½ gallons caustic soda, 36° Tw., mixed with 5½ gallons water. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The soap is often used in conjunction with carbonate of soda to assist the removal of the sericin, but, whilst carbonates are permissible, it is necessary to avoid an excess of caustic soda. The Handbook of Soap Manufacture Whatever be the form or name under which the carbonate of soda is sold, it must be free from hydrate of soda, i.e. caustic soda, or, as it is also termed, "causticity." The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association About 30 grms. of the glycerine are placed in a flask, and to it is added about half a grm. of caustic soda in solution. Nitro-Explosives: A Practical Treatise The decomposition of a solution of common salt, and its conversion into chlorine gas and caustic soda solution by means of an electric current, has long been a study with electro-chemists. Scientific American Supplement, No. 841, February 13, 1892 Vat with zinc powder, lime and soda:— 10 lb. indigo, dry and ground fine; 10 lb. zinc powder; 10 lb. slaked lime, dry; 35 lb. caustic soda at 11° Tw. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student This may be readily detected by adding to a small quantity of the oil two or three drops of caustic soda solution, and a few drops of ferrous sulphate solution containing ferric salt. The Handbook of Soap Manufacture The caustic soda is constantly recuperated and is never destroyed. Scientific American Supplement No. 819, September 12, 1891 The separation is more perfect if the hot solution be exactly neutralised by caustic soda. Nitro-Explosives: A Practical Treatise The caustic soda formed in the fifty cathode sections is more or less concentrated according to the particular purpose for which it may be required. Scientific American Supplement, No. 841, February 13, 1892 The cost of the caustic soda does not form an important item in the economy of the process, as no decrease of the original quantities had been ascertained after a service of four months duration. Scientific American Supplement, No. 483, April 4, 1885 The filtered liquor is now rendered slightly alkaline by the addition of caustic soda or carbonate, and, after filtering, is ready for evaporation. The Handbook of Soap Manufacture The excess of iodine is determined, on addition of from 10 to 15 c.c. potassium iodide solution and 150 c.c. distilled water, by means of caustic soda. Scientific American Supplement, No. 470, January 3, 1885 Before moulding, 500 gals. of water are run into the poacher, and 500 gals. of lime water containing 9 lbs. of whiting and 9 gals. of a caustic soda solution. Nitro-Explosives: A Practical Treatise The manufacture of cellulose has for many years been an industry, and yet little or nothing from a chemical point of view is known of the action of caustic soda upon vegetable fibers. Scientific American Supplement, No. 841, February 13, 1892 This is eminently the case with solutions of caustic soda, which completely absorb steam until the boiling point is nearly reached, which corresponds to the degree of dilution. Scientific American Supplement, No. 483, April 4, 1885 The "char" should be well boiled with water, then carbonate of soda or caustic soda added in sufficient quantity to give an alkaline reaction, and again well boiled. The Handbook of Soap Manufacture In the soda process, invented by M. Meliner in France in 1865, the chips from spruce and poplar logs are boiled under pressure in a strong solution of caustic soda. A Book of Exposition The acid liquid, which was generally yellow in color, was then cooled and neutralized with strong caustic soda. Scientific American Supplement, No. 821, September 26, 1891 Such is the method of manufacturing caustic soda and chlorine by this process, which will doubtless have a most important bearing upon many trades and manufactures, more particularly upon the paper, soap, and bleaching industries. Scientific American Supplement, No. 841, February 13, 1892 The advantage of using caustic soda alone in the one operation, such as I describe, has been long recognized, but hitherto no one has been able to effect this improvement. Scientific American Supplement, No. 530, February 27, 1886 N/1 sulphuric acid, boiling for a few minutes, and titrating the excess of acid with N/1 caustic soda solution, using litmus as indicator. The Handbook of Soap Manufacture The tar oil is mixed with a solution of caustic soda, and the mixture is violently agitated. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes Prepare a 10 per cent solution of caustic soda and fill the jar within 1 in. of the top. The Boy Mechanic: Volume 1 700 Things for Boys to Do The first cellulose made exclusively from wood and caustic soda was produced at the Manayunk Wood Pulp Works, in 1854, in the neighborhood of Philadelphia, by Burgess & Watt. Scientific American Supplement, No. 841, February 13, 1892 Five pounds of fat treated with caustic soda can be made to yield one pound of glycerine. The Land of Deepening Shadow Germany-at-War A new bleaching compound has been discovered, consisting of three parts by measure of mustard-seed oil, four of melted paraffin, three of caustic soda 20° Baume, well mixed to form a soapy compound. Scientific American Supplement, No. 586, March 26, 1887 This results in the caustic soda dissolving out the carbolic acid, whilst the undissolved oils collect upon the surface, allowing the alkaline solution to be drawn from beneath. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes As obtained by distillation with caustic soda, and afterwards treated with sulphuric acid, etc., it is a colorless fluid, volatilizable, inflammable, of little smell when cold, but of an exceedingly acrid, burning taste, and alkaline. The Atlantic Monthly, Volume 06, No. 34, August, 1860 The anodes and cathodes are separated by the special diaphragms, and each vessel is thus divided into ten anode or chlorine sections and ten cathode or caustic soda sections. Scientific American Supplement, No. 841, February 13, 1892 It is prepared on a large scale, by the action of fused caustic soda or potash on sawdust, as a white crystalline substance, which has a strong acid taste, and is poisonous in large doses. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O An alternative method consists in converting it into ethyl benzoate by shaking with benzoyl chloride and caustic soda. The Project Gutenberg Encyclopedia Volume 1 of 28 The second invention rests on a curious fact in chemistry, namely, that caustic soda or potash will absorb steam, forming a compound which has a much higher temperature than the steam absorbed. Scientific American Supplement, No. 417, December 29, 1883 To the same bath caustic soda is added, which regenerates the hypobromite of soda. Scientific American Supplement, No. 385, May 19, 1883 In the separation of the sodium, however, a secondary action takes place, which converts it into caustic soda. Scientific American Supplement, No. 841, February 13, 1892 After it is exhausted it can be renewed by adding 10 grammes of caustic soda, replacing the water that has evaporated, heating to boiling, and adding 25 grammes of a cold solution of blue vitriol. Scientific American Supplement, No. 392, July 7, 1883 C. It condenses with acetone in the presence of caustic soda to a quinoline. The Project Gutenberg Encyclopedia Volume 1 of 28 Then, when the solution of chloride of sodium has been deprived of its chlorine by electrolysis, there remains a solution of caustic soda which may be utilized for scouring fibers.—H. Scientific American Supplement, No. 401, September 8, 1883 The process of making pure neutral potash soap is very simple, and almost identical with that for making hard soap with pure powdered caustic soda. Scientific American Supplement, No. 360, November 25, 1882 The solutions are pumped back from the lowest vessel to their respective charging tanks, the salt solution to be further decomposed and the caustic soda solution to be further concentrated. Scientific American Supplement, No. 841, February 13, 1892 Fifty grammes of caustic soda and 40 grammes of milk sugar are dissolved in a liter of water and boiled for a quarter of an hour. Scientific American Supplement, No. 392, July 7, 1883 The horn buttons of calves from a few days to one week of age can be destroyed, and the growth of the horn prevented by applying caustic soda or potash to them. Common Diseases of Farm Animals This is afterward neutralized with a little caustic soda. Scientific American Supplement, No. 324, March 18, 1882 They take a certain weight of the sample and boil it with twice its weight of an eight per cent, solution of caustic soda in alcohol. Scientific American Supplement, No. 299, September 24, 1881 After the removal of the acid and tar, the clear oil is agitated with either caustic soda or ammonia and water. Scientific American Supplement, No. 288, July 9, 1881 The well-known water-glass is a silicate of soda or potash dissolved in free or caustic soda, or potash. Scientific American Supplement, No. 392, July 7, 1883 The wheat should be damped with water containing 10 parts in 100 of alcoholized caustic soda; at the expiration of one hour the envelopes of the pericarp, and of the testa Nos. Scientific American Supplement, No. 275, April 9, 1881 The inventor has claimed that his by-product should be valuable and saleable, apparently partly on the ground that it should contain caustic soda. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power If, finally, this solution is neutralised with caustic soda, the solution remains clear and precipitates gelatine strongly. Synthetic Tannins They are more like lumps of caustic soda. The Home and the World In 1901, more than half of the output was in the form of graphitized electrodes employed in the production of caustic soda and bleaching salt, and in other electrolytic processes. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents Besides are you sure that your lye dip was caustic potash and not caustic soda? One Thousand Questions in California Agriculture Answered From the metallic sodium solid caustic soda is then derived by a secondary reaction, while the chlorine is combined with lime to form chloride of lime or bleaching powder. The Story of Electricity This is not altered by excess of caustic soda. Synthetic Tannins As a chemical reagent its action is almost precisely like that of caustic soda, though it is usually considered a stronger base, as K is a more electro-positive element than Na. An Introduction to Chemical Science On throwing this alloy into water the sodium is liberated as caustic soda. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents Please give the formula for peeling peaches by dipping them in caustic soda or lye. One Thousand Questions in California Agriculture Answered When the tailings contain a quantity of decomposed pyrites, partly oxidised, the acidity caused by the freed sulphuric acid requires to be neutralised by an alkali, caustic soda being usually employed. Getting Gold: a practical treatise for prospectors, miners and students All those condensation products which are easily or partly soluble in alcohol dissolve in caustic soda, sodium carbonate, in some cases also in borax and sodium sulphite. Synthetic Tannins To discriminate between the two latter, test with solution of caustic soda, when decoloration or change of color will indicate aniline blue and permanence will indicate presence of indigo blue. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. Some of the more important consumers of the electric power, named in the order of consumption, are for the manufacture of the following products: calcium carbide, aluminium, caustic soda and bleaching salt, carborundum, and graphite. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents The substance is dissolved directly in sufficient normal alkali to neutralise the carboxyl group and a further 2 molecules of caustic soda for each carbomethoxy group to be eliminated are added. Synthetic Tannins The chips are then introduced into tanks containing a strong solution of caustic soda and boiled under pressure. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. |
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英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。