| 单词 | copper sulphate |
| 例句 | Guardian critic Jonathan Jones described the copper sulphate chamber as 'one of the truly worthwhile and significant moments of modern British art'. Roger Hiorns's Seizure moved to Yorkshire Sculpture Park - video 2013-06-13T17:12:00Z Today when industrial-scale food adulteration occurs, such as the 85,000 tonnes of olives treated with copper sulphate that Italian police seized in February, we expect a systemic response. A toxic web: what the Victorians can teach us about online abuse 2016-04-18T04:00:00Z Italian officers found 85 tonnes of olives painted with copper sulphate to enhance their green colour. 'Record global haul' of illicit food and drink - BBC News 2016-03-30T04:00:00Z In Mexico in 2014, 40m litres of copper sulphate from a mine owned by Southern’s parent company leaked into a river. From conflict to co-operation 2016-02-04T05:00:00Z In particular, he and his team are working on alternative treatments for common vine mildews; the conventional one, copper sulphate, accumulates in soil in doses that are toxic to wildlife. Vintage scientists 2012-12-19T18:20:33.657Z Now this free hydrogen, by a series of molecular interchanges, is carried along until it passes through the porous cell, and finds itself in contact with the solution of copper sulphate. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z Charlock has been successfully dealt with by applying 5 lbs. of copper sulphate in 25 gallons of water to each acre of land while the weeds are young. Disease in Plants 2012-03-01T03:00:22Z With a somewhat larger pile he decomposed copper sulphate and lead acetate, and made some experiments on the decomposition of water. Heroes of Science: Physicists 2012-01-17T03:00:17Z The free hydrogen passes through the walls of the porous pot, but when it reaches the copper sulphate solution it displaces some of the copper therefrom, and combines with this solution, forming sulphuric acid. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The blue was of course copper sulphate, and it is fairly certain that the white was zinc vitriol. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Free hydrogen and copper sulphate produce sulphuric acid and free copper. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z When this disease appears, wash the sores with a solution of copper sulphate or a solution of peroxide of hydrogen and water, equal parts. Profitable Squab Breeding 2011-11-03T02:00:14.677Z The solution may be directly precipitated with copper, the copper passing into solution as copper sulphate, and the silver separating as a mud, termed “cement silver.” Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The copper sulphate solution, being the heavier of the two, rests at the bottom of the battery jar, while the dilute sulphuric acid remains at the top. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Putting a crystal of copper sulphate in solution so that it grows is not life. Biochemistry without boundaries 2011-10-12T17:20:58.527Z A saturated solution of copper sulphate is next carefully introduced, so as to displace the acid upwards. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z In the Daniell cell the zinc plate is in dilute sulphuric acid, and the copper plate is in a solution of blue vitriol or copper sulphate. The Story of Great Inventions 2011-10-05T02:00:16.353Z Dissolve 1.5 grams of copper sulphate and 1 c.cm. of concentrated sulphuric acid in distilled water and dilute the solution to 100 c.cms. Chlorination of Water 2011-09-13T02:00:32.243Z If, however, the copper sulphate solution be too weak, the water is decomposed instead of the copper sulphate, and hydrogen is deposited on the copper plate. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Expression by means of roller-forceps or repeated grattage are amongst the more effective means of surgical treatment, while local applications of copper sulphate or of alum are certainly useful in suitable cases. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z It was nothing else than copper sulphate which had been allowed to deliquesce to a white powder. Psychotherapy 2011-06-19T02:00:20.053Z The solutions are kept separate by gravity, the heavy copper sulphate being at the bottom. The Story of Great Inventions 2011-10-05T02:00:16.353Z For quantitative determination compare the colour with that of standards in similar tubes prepared from the solutions of copper sulphate and potassium bichromate. Chlorination of Water 2011-09-13T02:00:32.243Z This deposit of hydrogen lowers the voltage, hence care should be taken to maintain an adequate supply of copper sulphate. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Bordeaux mixture for this purpose is made by using six pounds of copper sulphate and four pounds of quick lime, dissolved in separate wooden vessels, and the lime water poured into the dissolved blue stone. Farm Gardening with Hints on Cheap Manuring Quick Cash Crops and How to Grow Them 2011-05-10T02:00:58.433Z On wool, catechu yields khaki browns in single bath by using copper sulphate as the mordant. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z Chemical methods of sterilization have also been suggested, depending on the use of iodine, chlorine, bromine, ozone, potassium permanganate, copper sulphate or chloride and other substances. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z As an example we may take the case of a solution of a salt such as copper sulphate in water, through which an electric current is passed between copper plates. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The voltage of a Daniell cell varies from about 1.07 volt to 1.14 volt, according to the density of the copper sulphate solution and the amount of zinc sulphate present in the dilute sulphuric acid. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Catechu has been recently much employed, in conjunction with copper sulphate, for dyeing the so-called khaki-brown on woollen material for military clothing. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The use of copper sulphate for imparting a green color to certain vegetables, such as peas, beans, and asparagus, is a relatively modern practice, having been started in France about 1850. Food Poisoning Before beginning to back off the teeth, it is a good plan to color the work either by heating it or dipping into a strong solution of copper sulphate. Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. The process whereby the sugar and the copper sulphate spread uniformly through the whole mass of the liquid in opposition to gravity is called Diffusion. The Mechanism of Life This would then contain the copper sulphate solution, while the zinc sulphate and the zinc rod would be contained in the porous pot as before. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z A treatment with copper sulphate solution after development is frequently beneficial in rendering the colour faster to light. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z Besides alum, small quantities of copper sulphate have been used for checking diastasis and retarding fermentation. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Weigh exactly the copper sulphate crystals and dissolve in 100 c.c. of water, now add it to the first solution; stirring constantly. Dietetics for Nurses In return I received a letter verifying this fact, and saying that there were copper works in the neighbourhood, and the air was filled with the dust of copper sulphate. The Mechanism of Life A few crystals of copper sulphate are placed in the pot as shown. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Another example is Deacon’s process for the manufacture of chlorine by passing hydrochloric acid gas mixed with air over heated bricks which had been previously impregnated with a copper sulphate solution. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" This substance has the same effect as alum, but as all copper salts are active poisons, the employment of copper sulphate is most strongly to be condemned. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" The chemical reaction taking place is the reduction of copper sulphate to cuprous oxide. Dietetics for Nurses I was able to assure him by return of post that the figure was the result of the crystallization of copper sulphate in a colloidal medium. The Mechanism of Life The two solutions consist of copper sulphate and dilute sulphuric acid, the elements being made of zinc and copper. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z It may be artificially prepared by heating salt with ammonium copper sulphate to 100�. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" You remember that the molecule of copper sulphate, discussed in our third letter, was formed by a copper atom and a group called sulphate. Letters of a Radio-Engineer to His Son Peas—petits pois, for example—and the very small string beans which are imported are intensely green from the copper sulphate used. Dietetics for Nurses Quicklime, barium oxide, and dehydrated copper sulphate are especially applicable to alcohol and ether; the last traces of water may be removed by adding metallic sodium and distilling. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" The doses of this solution are the same as for the simple copper sulphate solution, described on page 522, namely: Calves 3½ to 4 fluid ounces. Special Report on Diseases of Cattle Six anodes were suspended, alternately with four cathodes, in a saturated solution of copper sulphate in a cylindrical fire-clay trough, all the anodes being connected in one parallel group, and all the cathodes in another. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Then we poured in a solution of copper sulphate until the jar was about half full. Letters of a Radio-Engineer to His Son The best spray can be made by taking four ounces of copper sulphate, four ounces of unslaked lime, and three gallons of water. The Mayflower, January, 1905 These moulds are hung in a bath of copper sulphate, where there are also large plates of copper. Makers of Many Things To this decoction is added 1 pound of copper sulphate which has been dissolved in 2 or 3 quarts of boiling water. Special Report on Diseases of Cattle “Brunswick green,” a light green pigment, is obtained from copper sulphate and bleaching powder. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Now we can see what happens when copper sulphate dissolves. Letters of a Radio-Engineer to His Son If the blue gets much below J it indicates that you are working the cell too hard, or that you need more copper sulphate. How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity Dissolve the copper sulphate in two gallons of water, place it in barrel No. 1 and add water to make twenty-five gallons. The Pecan and its Culture The copper sulphate may be either in crystals or pulverized. Tomato Culture: A Practical Treatise on the Tomato The 'moss' has given me no trouble at all this winter; in fact, I have for six months had to resort to the copper sulphate only once.... The Home Medical Library, Volume V (of VI) Sometimes, of course, as ions of these two kinds wander about between the water molecules, they meet and satisfy each other by forming a molecule of copper sulphate. Letters of a Radio-Engineer to His Son The two solutions are kept apart by gravity, as the copper sulphate is heavier than the zinc sulphate. How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity To mix the solutions of lime and copper sulphate, dip a bucketful from each barrel, and pour together into the barrel of the spray pump. The Pecan and its Culture Strain both the lime milk and the copper sulphate or bluestone solution through a brass strainer of 18 meshes per inch and dilute each with half the water before mixing together. Tomato Culture: A Practical Treatise on the Tomato A Massachusetts trout pond stocked with eight-inch trout lost forty per cent as a result of the introduction of a strong solution of copper sulphate. The Home Medical Library, Volume V (of VI) You can see that in the solution of copper sulphate at the bottom of the jar there was always present a lot of positive copper ions and of negative sulphate ions. Letters of a Radio-Engineer to His Son Copper is known to be taken into solution as copper sulphate at the surface, and to be redeposited as chalcocite where these sulphate solutions come in contact with chalcopyrite or pyrite below. The Economic Aspect of Geology To prepare Bordeaux mixture from these stock solutions, dip out two and a half gallons of the copper sulphate solution, place it in barrel No. 1 and dilute to twenty-five gallons. The Pecan and its Culture Pink colour which becomes violet with more copper sulphate = proteose and peptone. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. In the following directions the department outlines the most practicable method of introducing the copper sulphate into a water supply: The Home Medical Library, Volume V (of VI) On top of this solution of copper sulphate I poured very carefully a weak solution of sulphuric acid. Letters of a Radio-Engineer to His Son The professor busied himself with a new preparation of zinc oxide and copper sulphate and sal ammoniac, his latest concoction, which was about to be used and, like its predecessors, to be abandoned. Advanced Chemistry Instead, large amounts of copper sulphate should be dissolved and large quantities of lime slacked beforehand. The Pecan and its Culture 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. In this manner about a hundred pounds of copper sulphate can be distributed in one hour. The Home Medical Library, Volume V (of VI) The molecules of sulphuric acid dissociate in solution just as do those of copper sulphate. Letters of a Radio-Engineer to His Son It dissolves rapidly if put in a little cheese-cloth sack, which is suspended near the top of the pail by putting a stick across the pail and tying the sack of copper sulphate to it. Ontario Teachers' Manuals: Nature Study Put one hundred pounds of copper sulphate in a sack and suspend it in the water. The Pecan and its Culture On August 20 of this year the interior of the cold frame, including all of the plants, was well dusted with tri-basic copper sulphate, according to manufacturer's directions. Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 The injury done by copper sulphate to fish is a more serious matter than was at first supposed. The Home Medical Library, Volume V (of VI) When silver nitrate molecules go into solution they break up into ions just as copper sulphate does. Letters of a Radio-Engineer to His Son In that case common salt and copper sulphate were used. Diggers in the Earth Repeat above until the required depth of colour is reached, finish in cutch bath to obtain deepest shade, which may be darkened by adding 1 drachm or so copper sulphate. Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer It frightened her, till Pancrazio told her it was only the copper sulphate that had sprayed the vines hitched on to the walls. The Lost Girl This table gives the number of parts of water to one part of copper sulphate necessary to kill the various forms of alg� which are listed. The Home Medical Library, Volume V (of VI) The formula 5-5-50, five pounds of copper sulphate and five pounds of lime in 50 gallons of water was found to be injurious to the foliage in the Spring. Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting Lancaster, Pennsylvania, December 18 and 19, 1912 The work must be left in the copper sulphate solution till it has received a uniform coating of copper. On Laboratory Arts After boiling for 1 hour remove wool and add 1/4 oz. cream of tartar, 1 oz. cochineal, 3/4 oz. iron, 1/2 oz. copper sulphate. Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer Lime, bog ore, and various metallic salts, such as ferric chloride, barium chloride, and copper sulphate have been suggested, and in some instances are used instead of aluminium sulphate, but the latter is generally employed. The Handbook of Soap Manufacture Glauber's salt, 2 lb. soda and dye at the boil for one hour; treat with 3 lb. copper sulphate. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student This was changed therefore, to 4-5-50, which had one pound less of copper sulphate. Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting Lancaster, Pennsylvania, December 18 and 19, 1912 The success of M. Margot's method depends in my experience on obtaining just the proper amount of aluminium chloride in contact with the aluminium when the latter is immersed in the copper sulphate solution. On Laboratory Arts "Wait a minute—I don't know about our swimming in copper sulphate solution." Skylark Three Other methods have been suggested for the preliminary purification, e.g., silver oxide, silver carbonate and lead subacetate, and copper sulphate and caustic potash, but the lead subacetate alone with care gives satisfactory results. The Handbook of Soap Manufacture Benzo chrome brown G and 20 lb. salt, then treat in a fresh bath with 4 lb. bichromate of potash, 4 lb. copper sulphate and 1 lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Canned Peas.—In order to impart a rich green color, copper sulphate has been used in the canning of peas. Human Foods and Their Nutritive Value Waving the copper sulphate away, he again reached out, this time producing a pair of small salt-and pepper-shakers, which he passed to the Domak after he had seasoned the dishes before him. The Skylark of Space How would you account for the fact that normal copper sulphate is slightly acid to litmus? An Elementary Study of Chemistry Fungicide: a substance used to kill or prevent the growth of fungi; for example, Bordeaux Mixture or copper sulphate. Agriculture for Beginners Revised Edition Dianil blue G, and 20 lb. salt, fixing with 4 lb. copper sulphate and 2 lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student What can you say of the use of copper sulphate in the preparation of canned peas? Human Foods and Their Nutritive Value But hurrah for this ocean—it's ammoniacal copper sulphate solution! The Skylark of Space The tank is filled with a solution of copper sulphate and sulphuric acid to serve as the electrolyte. An Elementary Study of Chemistry These two stock mixtures, each gallon containing one pound of the copper sulphate or one pound of the lime, are then mixed together. Apple Growing Dianil black N, 1 lb. soda and 10 lb. salt, fixing with 1 lb. copper sulphate and ½ lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Bordeaux mixture is made by dissolving four pounds of copper sulphate in hot water and mixing with an equal quantity of a solution made by mixing four pounds of lime with water. Checking the Waste A Study in Conservation The dyeing is done with Glauber's salt and acetic acid when reddish shades are got; these in a bath of copper sulphate turn green or blue. The Dyeing of Woollen Fabrics What weight of copper sulphate crystals can be obtained by dissolving 1 kg. of copper in sulphuric acid and crystallizing the product from water? An Elementary Study of Chemistry It is well to fill the tank about half full of water, then put in the required amount of the copper sulphate, and after stirring well add the lime milk. Apple Growing Dianil black N, 5 lb. soda and 20 lb. salt; then fix 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 Dextrose, or Grape Sugar.—Place a solution of the substance supposed to contain grape sugar in a test tube and add a few drops of a dilute solution of copper sulphate. Physiology and Hygiene for Secondary Schools On this fact depends the process of mordanting wool with potassium bichromate, alum, alumina sulphate, ferrous sulphate, copper sulphate, etc. The Dyeing of Woollen Fabrics The weight of the water evolved is always equal to exactly 36.07% of the weight of copper sulphate crystals heated. An Elementary Study of Chemistry Effect of Varying Bulk.—In these experiments, 20 c.c. of copper sulphate were taken, 3 grams of potassic iodide added, and also water to the required bulk. A Text-book of Assaying: For the Use of Those Connected with Mines. 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 Then fill the bulb and the lower end of the tube with a concentrated solution of some solid, such as sugar, salt, or copper sulphate. Physiology and Hygiene for Secondary Schools Mr. Stakman: 3-4-50 Bordeaux mixture means three pounds of bluestone or copper sulphate, four pounds of lime, and fifty gallons of water. Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916 The reaction may be started, however, by the addition of a few drops of a solution of copper sulphate or platinum tetrachloride. An Elementary Study of Chemistry It is charged with a saturated solution of copper sulphate, and crystals of this salt must be added, and always kept in excess. A Text-book of Assaying: For the Use of Those Connected with Mines. Brown.—Prepare a bath with 20 lb. cutch, 2 lb. copper sulphate, 4 lb. quercitron extract. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The corruption spread through the trees like wildfire, and seemed to thrive on copper sulphate rather than succumb to its corrosive influence. Craftsmanship in Teaching The copper sulphate should be dissolved in twenty-five gallons of water, the best way being to put it into a sack and hang the sack in the water. Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916 When concentrated sulphuric acid is heated with certain metals, such as copper, part of the acid is changed into copper sulphate, and part is reduced to sulphurous acid. An Elementary Study of Chemistry The object of the porous pot is to prevent the mixing of the acid and copper sulphate solutions, without interrupting the flow of electricity. A Text-book of Assaying: For the Use of Those Connected with Mines. Dianil dark blue R, 1 lb. soda and 20 lb. salt, fixing with 3 lb. copper sulphate. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Bordeaux mixture, a mixture of copper sulphate, lime and water used to prevent plant diseases. The First Book of Farming In this way water can be decomposed into its compounds, hydrogen and oxygen; copper sulphate into sulphur and metallic copper, etc. A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. Determine the percentage of copper, sulphur, oxygen, and water in copper sulphate crystals. An Elementary Study of Chemistry How much crystallised copper sulphate will contain this amount of metal? A Text-book of Assaying: For the Use of Those Connected with Mines. Dianil blue G, and 20 lb. salt, then fix with 3 lb. copper sulphate and 2 lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student It does not reach the electrode, however, because, when it comes in contact with the copper sulphate, it changes places with the copper there, setting it free, but itself entering into the solution. General Science Corrosive sublimate is incompatible with any ordinary soap mass, and this incompatibility includes not only other soluble mercurial salts, but also almost all the mineral antiseptics, such as zinc chloride, copper sulphate, iron salts. Scientific American Supplement, No. 561, October 2, 1886 Thus, if a perfectly dry crystal of copper sulphate is strongly heated in a tube, water is evolved and condenses on the sides of the tube, the crystal crumbling to a light powder. An Elementary Study of Chemistry The copper sulphate solution will last for months, but the acid must be emptied out and recharged daily. A Text-book of Assaying: For the Use of Those Connected with Mines. Glauber's salt and ½ lb. soap; after dyeing for one hour at the boil treat in a fresh boiling bath with 3 lb. copper sulphate. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The copper freed from the copper sulphate solution travels to the copper electrode, and is deposited on it in a clean, bright layer. General Science The Bordeaux mixture is made in the proportion of four pounds of pure copper sulphate and two pounds of quicklime to forty gallons of water. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition What impurities would you expect to find in the copper sulphate prepared from the refining of silver? An Elementary Study of Chemistry The mouth of the flask is closed with a cork carrying a tube which is filled, the first half with calcium chloride and the second half with pumice coated with dried copper sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines. Glauber's salt and 1 lb. soap, then treat in a fresh boiling bath with 3 lb. copper sulphate. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student If a solution of silver nitrate is used in place of the copper sulphate, the coating formed will be of silver instead of copper. General Science For the two per cent. mixture the quantities of copper sulphate and quicklime must be doubled, but the amount of water should remain at forty gallons. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition Many such cases are known, e.g., that of copper sulphate. Scientific American Supplement, No. 794, March 21, 1891 To this last is joined a drying-tube containing chloride of calcium and anhydrous copper sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines. Dianil brown B D, 1 lb. soda and 20 lb. salt, fixing with 3 lb. copper sulphate and 1 lb. acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student This mold is coated with graphite to make it a conductor and is then suspended in a bath of copper sulphate, side by side with a slab of pure copper. General Science The copper sulphate is stirred into a few gallons of hot water placed in a wooden tub or earthenware vessel. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition This sulphuric acid, being lighter than the copper sulphate, rises to the surface of the zinc and attacks the zinc, thus forming more sulphate of zinc. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Then there is the assertion of practical dyers, that the use of copper sulphate in dyeing catechu brown on cotton assists materially in rendering this color fast to light. Scientific American Supplement, No. 810, July 11, 1891 Black.—Prepare a dye-bath with 20 lb. extract of logwood, 4 lb. cutch, 5 lb. soda ash, 5 lb. copper sulphate. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student There will also be found a deposit of copper sulphate when the mother acid, after having been used over and over again, has been sufficiently saturated therewith. Scientific American Supplement No. 819, September 12, 1891 As soon as the liquid is quite cold, filter it through coarse sacking into the copper sulphate solution and add water to make a total of forty gallons. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition The zinc sulphate being colorless, while the copper sulphate is of a dark blue color, the separating line of the two liquids is easily distinguishable. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Still more recently, A. Scheurer records that by impregnating or padding certain dyed fabrics with an ammoniacal solution of copper sulphate, the colors gain considerably in fastness to light. Scientific American Supplement, No. 810, July 11, 1891 The sodium chlorate and ammonium chloride are dissolved in 6½ gallons and the copper sulphate separately in 5½ gallons water. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Bars containing more than about 10 per cent. of copper cannot be dissolved at all, owing to the separation of copper sulphate insoluble in the small amount of free acid finally remaining. Scientific American Supplement No. 819, September 12, 1891 The body then is placed in a solution, of copper sulphate, and the polar currents do their work. Atlantida The solution in which the copper plate is immersed is primarily a solution of copper sulphate, commonly known as blue-stone, in water. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Another mode of operating is to employ an excess of copper sulphate and to determine the copper dissolved in the filtrate. Scientific American Supplement, No. 455, September 20, 1884 The solution of aniline salt is first added to the bath, then the sodium chlorate and ammonium chloride, and lastly the copper sulphate, dilute the whole to 14° Tw. and then enter the goods. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student There results a hot, neutral, concentrated solution of copper sulphate, which may be run at once into a crystallizing vat for the separation of commercial crystals of copper sulphate. Scientific American Supplement No. 819, September 12, 1891 The body of this estimable English major has been metalized in the same manner, except that a solution of orichalch sulphate, a very rare substance, has been substituted for that of copper sulphate. Atlantida Enough copper sulphate, or blue-stone crystals, is then dropped into the jar to almost cover the copper. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. So he used this receipt: Dissolve six pounds of copper sulphate in six gallons of water. The Library of Work and Play: Gardening and Farming. On the other hand, silver, if present in a solution of copper sulphate, would deposit with the copper. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes For plating with copper prepare the following solution: 4 oz. copper sulphate dissolved in 12 oz. water; add strong ammonia solution until no more green crystals are precipitated. The Boy Mechanic: Volume 1 700 Things for Boys to Do The use of copper sulphate in control of microscopic organisms. U.S. Copyright Renewals, 1953 January - June If the copper sulphate becomes exhausted, it should be replenished by dropping in more crystals. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Commenced in June and carried on until the end of September, the ordinary treatment consisted in burning down the fungus growth with the hot iron, and dressing with copper sulphate, zinc sulphate, and boracic acid. Diseases of the Horse's Foot In England the amount of copper corresponds to from one to two grains per pound of the vegetable calculated as crystallized copper sulphate. The Project Gutenberg Encyclopedia Volume 1 of 28 Then spraying with the Bordeaux mixture of lime and copper sulphate checked and finally stopped it altogether—but it was the early sprayings that counted. My Boyhood When ready to spray, pour the stock copper sulphate solution into the tank in the proportion of 5 gals. to every 50 of spray required. Home Vegetable Gardening — a Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use The copper electrode is of sheet copper of the form shown, and it is partly covered with crystals of blue-stone or copper sulphate. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Astringent baths, containing solutions of alum, of copper sulphate, of iron sulphate, or of common salt, or composed of a mixture of two or more of the salts mentioned, may also be used with advantage. Diseases of the Horse's Foot Unfortunately most of the remedies he suggested were limited to spraying of insecticides and pesticides such as lindane, malathion dichlorose, copper sulphate or citronella oil. Free from School Then combine 1 part of the alkaline Rochelle salt solution, 1 part of copper sulphate, and 4 parts of water. School and Home Cooking To save the trouble of making up the mixture each time it is needed make a stock solution as follows: dissolve the copper sulphate in water at the rate of 1 lb. to 1 gal. Home Vegetable Gardening — a Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use This is essentially a two-fluid cell, for in its action zinc sulphate is formed, and this being lighter than copper sulphate rises to the top of the jar and surrounds the zinc. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. For a solution of copper sulphate is employed as the electrolyte, blocks of raw copper as the anodes, and thin sheets of pure copper as the cathodes. The Story of Electricity Examine native copper, chalcopyrite, malachite, azurite, copper acetate, copper nitrate, copper sulphate. An Introduction to Chemical Science |
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