| 单词 | aqueous solution |
| 例句 | Monosaccharides may exist as a linear chain or as ring-shaped molecules; in aqueous solutions, they are usually found in the ring form. Concepts of Biology 2013-04-25T00:00:00Z An aqueous solution is one for which the solvent is water. Chemistry 2019-02-14T00:00:00Z The hydrophilic head groups of the phospholipids face the aqueous solution. Biology for AP Courses 2022-06-09T00:00:00Z Chemical sedimentary rocks comes from minerals precipitated out an aqueous solution and is classified according to mineral composition. An Introduction to Geology 2017-01-01T00:00:00Z The interactions of various aqueous solutions—solutions in which water is the solvent—are continuously monitored and adjusted by a large suite of interconnected feedback systems in your body. Anatomy and Physiology 2013-06-19T00:00:00Z The cryo-electron microscope, first announced in Nature19, allowed electron microscopy to be applied to organisms by freezing and suspending them in an aqueous solution. 150 years of scientific illustration 2019-11-04T05:00:00Z However, an aqueous solution of HCl is a very good conductor, indicating that an appreciable concentration of ions exists within the solution. Chemistry 2019-02-14T00:00:00Z The electric polarity of an amino acid in an aqueous solution depends on the pH of the solution. Biology for AP Courses 2022-06-09T00:00:00Z Inorganic chemical sedimentary rocks are formed when minerals precipitate out of an aqueous solution, usually due to water evaporation. An Introduction to Geology 2017-01-01T00:00:00Z The chemical reactions of life take place in aqueous solutions. Anatomy and Physiology 2013-06-19T00:00:00Z The SmI2 not only facilitates hydrogen-atom transfer, but also keeps the metal in a reduced form and prevents the deleterious formation of molybdenum oxide in aqueous solution. A fresh approach to synthesizing ammonia from air and water 2019-04-23T04:00:00Z The relative strengths of acids may be quantified by measuring their equilibrium constants in aqueous solutions. Chemistry 2019-02-14T00:00:00Z The chemistry of living things occurs in aqueous solutions, and balancing the concentrations of those solutions is an ongoing problem. Biology for AP Courses 2022-06-09T00:00:00Z Water deep underground is subjected to higher pressures and temperatures, which helps dissolve silica into an aqueous solution. An Introduction to Geology 2017-01-01T00:00:00Z Body fluids are aqueous solutions with differing concentrations of materials, called solutes. Anatomy and Physiology 2013-06-19T00:00:00Z As light passing through an aqueous solution encounters a lipid surface, the change in refractive index causes it to bend and scatter. Transparent tissues bring cells into focus for microscopy 2018-12-03T05:00:00Z List, in order of descending concentration, all of the ionic and molecular species present in a 1-M aqueous solution of this acid. Chemistry 2019-02-14T00:00:00Z The elements in the table above all occur in aqueous solution as ions. Biology for AP Courses 2022-06-09T00:00:00Z “The electrolytic fluids in flow cells—usually metallic salts in aqueous solutions, are pumped from tanks through the cell.” Salt water powers all-electric supercar 2014-09-09T04:00:00Z In the mid-1990s, millions of dollars were invested in research into solar panels that used aqueous solutions to convert photons into energy. Text-mining offers clues to success 2014-05-19T04:00:00Z The platinum immediately leaves the aqueous solution and passes to the oil, which holds it in suspension in a finely divided state. The Catholic World; Volume I, Issues 1-6 A Monthly Eclectic Magazine 2012-04-05T02:00:40.207Z List, in order of descending concentration, all of the ionic and molecular species present in a 1-M aqueous solution of this base. Chemistry 2019-02-14T00:00:00Z When dealing with ions in aqueous solutions, a combination of the electrochemical and concentration gradients, rather than just the concentration gradient alone, must be considered. Biology for AP Courses 2022-06-09T00:00:00Z Veins have been filled from circulating aqueous solutions, by slow depositions, that have occupied very long periods. The Business of Mining A brief non-technical exposition of the principles involved in the profitable operation of mines 2012-02-18T03:00:17.387Z It dissolves readily in water and the aqueous solution decomposes on standing; a dark-brown flocculent precipitate of azulmic acid, C4H5N5O, separating whilst ammonium oxalate, urea and hydrocyanic acid are found in the solution. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z At ordinary temperatures it crystallizes from aqueous solutions in large colourless monoclinic prisms, which effloresce in dry air, and at 35�C. melt in their water of crystallization. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" 2012-01-11T03:00:20.463Z It is important to realize that this equilibrium is established in any aqueous solution containing Ca2+ and CO32– ions, not just in a solution formed by saturating water with calcium carbonate. Chemistry 2019-02-14T00:00:00Z Phloem sap is an aqueous solution that contains up to 30 percent sugar, minerals, amino acids, and plant growth regulators. Biology for AP Courses 2022-06-09T00:00:00Z To burn well the paper should first be impregnated with an aqueous solution of niter and dried. Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z Instead 10352of making the experiment by adding chlorine water, it may be made by gradually diluting a very weak aqueous solution of chlorine. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z They are odourless and tasteless, and some yield clear aqueous solutions—the real gums—while others swell up and will not percolate filter paper—the vegetable mucilages. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Consider, for example, mixing aqueous solutions of the soluble compounds sodium carbonate and calcium nitrate. Chemistry 2019-02-14T00:00:00Z In his first experiments on the effect of the electrical current on potash and soda, Davy used strong aqueous solutions of these alkalis, with the result that hydrogen and oxygen only were evolved. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Hager, in a recent scientific journal, states that this consists of an aqueous solution of iodide of starch, and is "specially intended for love letters." Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z The presence of ethanol mediates this polar/non-polar interaction and allows high concentrations of aromatics to remain in an aqueous solution. Physics in the Mix: Bartending Gets Scientific 2011-12-02T18:15:00.243Z When heated to above 200� it turns brown and produces caramel, a substance possessing a bitter taste, and used, in its aqueous solution or otherwise, under various trade names, for colouring confectionery, spirits, &c. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The addition of hydrochloric acid to magnesium hydroxide, followed by evaporation of the resultant aqueous solution, leaves pure magnesium chloride. Chemistry 2019-02-14T00:00:00Z The fact that an aqueous solution of these ashes affects the coloured parts of many plants was also noticed in early times. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Rub the spots with strong aqueous solution of ferric chloride, and dry before applying the dressing. Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z It is well known that an aqueous solution of alum, although transmitting light as freely as the purest water, powerfully absorbs those rays, of any source, which have the chief heating power. Scientific Culture, and Other Essays Second Edition; with Additions 2011-09-17T02:00:31.747Z They were confirmed in this view by the fact that an aqueous solution of the gas slowly evolved oxygen when placed in bright sunlight, and lost its bleaching properties. Chlorination of Water 2011-09-13T02:00:32.243Z Since hydrogen sulfide is a weak acid, aqueous solutions of soluble sulfides and hydrogen sulfides are basic: Chemistry 2019-02-14T00:00:00Z If an aqueous solution of lime be added to a solution of magnesia in nitric acid, the magnesia is precipitated in the form of an insoluble powder, while the lime remains dissolved in the acid. Heroes of Science Chemists 2011-12-09T03:00:21.047Z This fits into a socket which allows the oils and aqueous solutions due to the distillation to pass into the lower bowl, very little getting into the stem. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z By prolonged boiling of strong aqueous solutions at a high, or of weak solutions at a lower temperature, the characteristic properties of gelatin are impaired and ultimately destroyed. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z To convey the dry gas from the apparatus to the point of application, copper or iron pipes may be used; for aqueous solutions, flexible rubber hose must be employed. Chlorination of Water 2011-09-13T02:00:32.243Z Nitric acid is stable in aqueous solution; solutions containing 68% of the acid are commercially available concentrated nitric acid. Chemistry 2019-02-14T00:00:00Z Gallium forms colourless salts, which in neutral dilute aqueous solutions are converted on heating into basic salts. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z An aqueous solution of fuchsine is decolorized on the addition of sulphurous acid, the easily soluble fuchsine sulphurous acid being formed. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Wool, silk, and animal substances generally have a direct attraction for colour-bases, and hence these fibres are readily dyed by simple immersion in hot aqueous solutions of the basic dyes. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z This metal cannot be produced by direct electrolysis in aqueous solution, but is deposited electrolytically from a fused bath of cryolite, containing alumina in solution. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z In aqueous solution, the first stage is essentially complete. Chemistry 2019-02-14T00:00:00Z It may also be produced by heating an aqueous solution of di-iodosalicylic acid with excess of alkaline carbonate, by acting on dibromosalicylic acid with moist silver oxide, and by other methods. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z Freezing of Solutions and Alloys.—The phenomena of freezing of heterogeneous crystalline mixtures may be illustrated by the case of aqueous solutions and of metallic solutions or alloys, which have been most widely studied. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The aqueous solution is strongly acid to litmus and dissolves most metals directly. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z An old woman, during an epidemic of cholera at Bezwāda, used to inject the patients hypodermically with an aqueous solution of cobra venom. Omens and Superstitions of Southern India 2011-03-28T02:00:25.937Z It is possible to prepare additional salts by the reaction of these hydroxides, carbonates, and oxides with aqueous solution of other acids: Chemistry 2019-02-14T00:00:00Z It is a colourless oily liquid of strongly acid reaction; its aqueous solution decomposes on standing and on heating it forms diethyl sulphate and sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z To take the case of an aqueous solution of salt as an example, along CB the solution is saturated with respect to salt, along AC the solution is saturated with respect to ice. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z A vaseline ointment containing 5% of phenol makes a good dressing for an ulcer of the leg, and produces no irritant effect, but a 5% aqueous solution may be both caustic and toxic. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z This mixture is moistened with an aqueous solution of chloride of zinc. Asbestos Its production and use, with some account of the asbestos mines of Canada 2011-02-01T03:00:13.163Z For example, molybdenum and tungsten, members of group 6, are limited mostly to an oxidation state of 6+ in aqueous solution. Chemistry 2019-02-14T00:00:00Z In many of these the application of heat is necessary to bring the substances used into the liquid state for the purpose of electrolysis, aqueous solutions being unsuitable. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z According to this latter view, the cause of the dyeing of textile fibres is similar to the attraction or solvent action exerted by ether when it withdraws colouring matter from an aqueous solution by agitation. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z By evaporation of its aqueous solution at temperatures above 30� C. it may be obtained in the anhydrous condition. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z The mixture is washed with water and then treated with an aqueous solution of ammoniacal gas. Asbestos Its production and use, with some account of the asbestos mines of Canada 2011-02-01T03:00:13.163Z Acids and bases are commercially available as aqueous solutions. Chemistry 2019-02-14T00:00:00Z This leads us to examine more closely the part played by water in the electrolysis of aqueous solutions. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z To obtain the desired microstructure, researchers sequentially impregnated an alumina support with aqueous solutions of platinum and rhodium chlorides. A Low-Cost Catalyst Prepares to Take on Power-Plant Emissions 2010-10-05T13:41:00Z The alcohol content of an aqueous solution may be deduced from a determination of the specific gravity of the solution or directly by the Alcoholometer. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide It forms a fine dark orange powder, insoluble in water, but readily soluble in aqueous solutions of the caustic alkalis and alkaline carbonates. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" A solution in which water is the solvent is called an aqueous solution. Chemistry 2019-02-14T00:00:00Z If an aqueous solution of methyl acetate be allowed to stand, a slow decomposition goes on. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z These conditions are very different from those of the present-day chemistry, which is the chemistry of aqueous solutions. The Mechanism of Life Some investigators are inclined to be that sugars actually exist in the open-chain arrangement when in aqueous solution, and in the closed-ring arrangement when in alcoholic solution. The Chemistry of Plant Life It forms yellow crystals soluble in water; the aqueous solution on standing gradually depositing a basic salt. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Canned Heat is a flammable gel made by mixing alcohol and a saturated aqueous solution of calcium acetate. Chemistry 2019-02-14T00:00:00Z "We may recognize, therefore," says Leibnitz, "a double origin of primitive masses, the one by refrigeration from igneous fusion, the other by concretion from aqueous solution." Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology These were obtained from gelatine and tannin, from acetate of copper or lead, and from nitrate of mercury in an aqueous solution of ferrocyanide of potassium. The Mechanism of Life In other words, glucose is "birotatory," or possesses two distinct specific rotatory powers, and the changing rotation effect in aqueous solutions is due to the change from one form to the other. The Chemistry of Plant Life It is soluble in water; the aqueous solution gradually decomposes on standing, forming carbon dioxide and sulphuretted hydrogen. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" For example, the concentration of hydrogen peroxide, H2O2, in an aqueous solution changes slowly over time as it decomposes according to the equation: Chemistry 2019-02-14T00:00:00Z It has also been shown that when different salts of the amine are used, their catalytic influence varies in amount and is almost proportional to their degree of ionization in aqueous solution. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" C. Its aqueous solution is coloured bluish-violet by ferric chloride. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 "Coucy-le-Château" to "Crocodile" The copper is readily replaced by iron, a knife-blade placed in an aqueous solution being covered immediately with a bright red deposit of copper. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" They form yellow or bronze-coloured crystals, which decompose on boiling their aqueous solution. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" These examples all involve aqueous solutions, those in which water functions as the solvent. Chemistry 2019-02-14T00:00:00Z Replacement of -NH2 by -OH:—The amine is diazotized and the aqueous solution of the diazonium salt is heated, nitrogen being eliminated and a phenol formed. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" C. It is soluble in water, and the aqueous solution gives a blue coloration with ferric chloride. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 "Coucy-le-Château" to "Crocodile" Neisser's method of staining failed to give such good effects by the examination of fresh maya, as did an alcoholic aqueous solution of methylene blue in showing up the granules of the organisms. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente By the addition of excess of ammonia to its aqueous solution, in the complete absence of air, a blue precipitate of a basic nitrate of the composition 6CoO�N2O5�5H2O is obtained. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" At 25 °C, the autoprotolysis equilibrium for water requires the sum of pH and pOH to equal 14 for any aqueous solution. Chemistry 2019-02-14T00:00:00Z The aqueous solution can be concentrated in vacuo over sulphuric acid until it contains 40% of chloric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" It is to be noticed that all these chemical changes cited took place in dilute aqueous solution, consequently the above order of acids refers only to the power to react under these circumstances. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The process may be accelerated by exhausting the desiccator; this so-called vacuum desiccation is especially suitable for the concentration of aqueous solutions of readily decomposable substances. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" The aqueous solution so obtained is then fermented to alcohol. All About Coffee In dilute aqueous solution HF acts as a weak acid. Chemistry 2019-02-14T00:00:00Z The crystalline hydrate melts at 50� C. The pure acid decomposes slowly on standing, but is stable in dilute aqueous solution. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" The picture may be developed by a solution of gallic acid mixed with a very small quantity of an aqueous solution of acetic acid and nitrate of silver. Harper's Young People, December 2, 1879 An Illustrated Weekly The older view was that the agents of deposition were aqueous solutions from the surface above, which derived their mineral content chiefly from the porphyries. The Economic Aspect of Geology The general method of procedure employed in the preparation of these powders is to extract ground roasted coffee with water, and to evaporate the aqueous solution to dryness with great care. All About Coffee It is sold in an aqueous solution called formalin, which contains about 37% formaldehyde by weight. Chemistry 2019-02-14T00:00:00Z The strongest aqueous solution of hydrochloric acid at 15� C. contains 42.9% of the acid, and has a specific gravity of 1.212. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" By means of a pipette drop about 1 c.c. of pyrogallic acid 10 per cent. aqueous solution on to the plug. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Barite itself is not found as an original constituent of igneous rocks or pegmatites, but is apparently always formed by deposition from aqueous solutions. The Economic Aspect of Geology From these acyl derivatives the elements of water are removed, either by simple heating or by boiling their aqueous solution; this elimination is accompanied by the formation of the azoxime ring. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" To illustrate this, consider a reaction between ionic compounds taking place in an aqueous solution. Chemistry 2019-02-14T00:00:00Z Perfectly dry hydrochloric acid gas has no action on metals, but in aqueous solution it dissolves many of them with evolution of hydrogen and formation of chlorides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Treat with two lots picric acid, saturated aqueous solution. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. According to Wurtz and Bouchut papain is prepared as follows: The fluid juice or the aqueous solution of the milky exudate is precipitated by the addition of ten times the volume of alcohol. The Medicinal Plants of the Philippines The acid is a "weak" acid, being ionized only to a very slight extent in dilute aqueous solution. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" Chemical reactions in aqueous solution that involve ionic reactants or products may be represented more realistically by complete ionic equations and, more succinctly, by net ionic equations. Chemistry 2019-02-14T00:00:00Z The acid is only known in aqueous solution, and only dilute solutions can be distilled without decomposition. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Picric acid solution is prepared by mixing Picric acid, saturated aqueous solution 40 c.c. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. An aqueous solution, if shaken violently, foams like a solution of soap. The Medicinal Plants of the Philippines Steep common wicks in a concentrated aqueous solution of tungstate of soda, and then dry thoroughly in an oven. The Ladies Book of Useful Information Compiled from many sources Solid calcium fluoride can also be prepared by the reaction of aqueous solutions of calcium chloride and sodium fluoride, yielding aqueous sodium chloride as the other product. Chemistry 2019-02-14T00:00:00Z The green salt in aqueous solution, on standing, gradually passes back to the violet form. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" These dyes are kept in 1 per cent. aqueous solution to which is added 5 per cent. of alcohol, as a preservative. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The aqueous solution becomes cherry-red on the addition of an alkali, which color is changed to yellow by acids. The Medicinal Plants of the Philippines I first tried the effect of a saturated aqueous solution of boracic acid with linseed oil. Blackwood's Edinburgh Magazine, Volume 57, No. 357, June, 1845 As with the mixture of sugar and water, this mixture is also an aqueous solution. Chemistry 2019-02-14T00:00:00Z The secretion is composed of an aqueous solution of albumin and of alkaline salts. The Biology, Physiology and Sociology of Reproduction Also Sexual Hygiene with Special Reference to the Male Corrosive sublimate, saturated aqueous solution, for five minutes. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Animal fibers are best bleached by immersing in an aqueous solution of sulphurous acid or exposing them to fumes of burning sulphur. 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 Products of 'denitration'.—The esters were treated with ferrous chloride in boiling aqueous solution. Researches on Cellulose 1895-1900 They suggested that although interionic attraction in an aqueous solution is very greatly reduced by solvation of the ions and the insulating action of the polar solvent, it is not completely nullified. Chemistry 2019-02-14T00:00:00Z I felt upon my face the sting of spray from the aqueous solution of which the lashing sea at our stern was composed. The Winged Men of Orcon A Complete Novelette Subject the film to the action of the following mordant for five seconds: Corrosive sublimate, saturated aqueous solution 2 c.c. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Spirits of wine also added to the nitrate bath—two drachms of spirits of wine to six ounces of the aqueous solution—is sometimes very beneficial. Notes and Queries, Number 180, April 9, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc An aqueous solution of permanganate of potash yields with baryta-water a violet mixture, which afterwards becomes colourless, and deposits a blue precipitate. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists It is quite soluble in aqueous solutions of iodides, with which it forms brown solutions. Chemistry 2019-02-14T00:00:00Z Its aqueous solution is largely used as an antiseptic and disinfectant under the name of formalin. An Elementary Study of Chemistry Counterstain in methylene blue, aqueous solution thirty seconds. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. For some of the natural colours, turmeric, saffron, anotta, etc., and for the neutral and basic coal-tar colours it has a direct affinity, and will combine with them from their aqueous solutions. The Dyeing of Woollen Fabrics It may be directly prepared by mixing boiling aqueous solutions of equal parts of crystallised verdigris and arsenious acid. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists Many reactions of this type involve the exchange of ions between ionic compounds in aqueous solution and are sometimes referred to as double displacement, double replacement, or metathesis reactions. Chemistry 2019-02-14T00:00:00Z It is easily soluble in water and alcohol, and is thrown out of its aqueous solution by the addition of calcium chloride. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Decolourise in sulphuric acid, 5 per cent. aqueous solution, for five seconds. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The aqueous solution is light yellow in colour, and possesses strong bleaching properties. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" An aqueous solution of this difficulty of getting rid of Almighty God, is frequently proposed. Fables of Infidelity and Facts of Faith Being an Examination of the Evidences of Infidelity For purposes of this brief introduction, we will consider only the more common types of acid-base reactions that take place in aqueous solutions. Chemistry 2019-02-14T00:00:00Z In 1828 he made the remarkable discovery that when an aqueous solution of ammonium cyanate, CNONH4, is evaporated, the salt is completely transformed into urea, which has the same percentage composition. Scientific American Supplement, No. 365, December 30, 1882 Counterstain very lightly with aqueous solution of Neutral Red. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The acid is only known in the form of its aqueous solution; this is, however, very unstable, decomposing on being heated to 100� C. into water, oxygen and bromine. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" It exhibits extraordinary signs of commotion and vicissitude; the lowest rocks indicating a previous condition of igneous fusion; those above them of aqueous solution. An Expository Outline of the "Vestiges of the Natural History of Creation" With a Notice of the Author's "Explanations:" A Sequel to the Vestiges Water is used so often as a solvent that the word solution has come to imply an aqueous solution to many people. Chemistry 2019-02-14T00:00:00Z This is then repeatedly kneaded up with fresh quantities of lukewarm water until the washings cease to taste bitter, and to give a reddish brown coloration when treated with a strong aqueous solution of iodine. Scientific American Supplement, No. 315, January 14, 1882 Stain in methyl violet, 1 per cent. aqueous solution for three to five minutes. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. However, much relief is obtained from the use of steam atomizers filled with an aqueous solution of compound tincture of benzoin, creosote or guaiacol. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The material used, also, is even more impervious and resisting to the action of aqueous solutions of dyes and mordants than the raw wool would be. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Substances may be identified as strong, weak, or nonelectrolytes by measuring the electrical conductance of an aqueous solution containing the substance. Chemistry 2019-02-14T00:00:00Z To another aqueous solution of the crystals was added bromine water, and a white precipitate was obtained, consisting of tribromophenol. Scientific American Supplement, No. 443, June 28, 1884 Immerse in chromic acid, 5 per cent. aqueous solution, for one minute; wash in water. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. All irrigation is done by way of the drainage opening, and this with warm aqueous solutions of suitable antiseptics. Lameness of the Horse Veterinary Practitioners' Series, No. 1 It does not reduce an alkaline copper solution, but, like glycerine, liberates boracic acid from borax, the latter salt dissolving saccharin readily in aqueous solution, due no doubt to a displacement of the boracic acid. Scientific American Supplement, No. 620, November 19,1887 All the species listed above water are stronger acids, transferring protons to water to some extent when dissolved in an aqueous solution to generate hydronium ions. Chemistry 2019-02-14T00:00:00Z An aqueous solution of the crystals immediately coagulated albumen. Scientific American Supplement, No. 443, June 28, 1884 To the filtrate add a few drops of 1 per cent. aqueous solution of ferric chloride. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. The precipitate is dried, and by concentrating the aqueous solution a further quantity of the hydrochloride is obtained. Scientific American Supplement, No. 623, December 10, 1887 The chief bulk of the zirconium is found in the aqueous solution in the state of double fluorides. Scientific American Supplement, No. 441, June 14, 1884. Dilute aqueous solutions of perchloric acid are quite stable thermally, but concentrations above 60% are unstable and dangerous. Chemistry 2019-02-14T00:00:00Z The process depends on the precipitation of phenol by a dilute aqueous solution of bromine as tribromophenol. Scientific American Supplement, No. 443, June 28, 1884 The reasons are that such cables often are long, have a good conductor as the sheath-metal, and that metal dissolves readily in the presence of most aqueous solutions when electrolytic differences of potential exist. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The mass is filtered, pressed while still tepid, and the filtrate allowed to stand until the oil has completely separated from the aqueous solution. Scientific American Supplement, No. 623, December 10, 1887 The solution of its salts is red, but the aqueous solution is often blue. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Most commercial chlorine comes from the electrolysis of the chloride ion in aqueous solutions of sodium chloride; this is the chlor-alkali process discussed previously. Chemistry 2019-02-14T00:00:00Z Picric acid may be determined by extracting the acidulated aqueous solution by agitation with ether or benzene, and subsequently removing and evaporating off the solvent. Nitro-Explosives: A Practical Treatise Tannin has no action on it, but basic acetate of lead produces a gelatinous precipitate in its aqueous solution. Scientific American Supplement, No. 841, February 13, 1892 In the presence of urine it is advisable to continue the passage of the current for about twice the time required in the case of aqueous solutions. Scientific American Supplement, No. 810, July 11, 1891 Secondary actions are not confined to aqueous solutions, or cases where water is present. Experimental Researches in Electricity, Volume 1 Portions of the gum solutions were mixed with small quantities of menthol, thymol, salol, and saccharin in alkaline solution, also with boric acid, sodium phosphate, and potash alum in aqueous solution. Scientific American Supplement, No. 821, September 26, 1891 The mixture is boiled, and the aqueous solution to be tested then added. Nitro-Explosives: A Practical Treatise From an aqueous solution calcium sulphate is deposited as crystals of gypsum, but when the solution contains an excess of sodium or potassium chloride anhydrite is deposited. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Through these membranes nothing can pass that is not, for the time, in a state of aqueous solution, like water or soluble salts. Grappling with the Monster The Curse and the Cure of Strong Drink Nitrate of ammonia, in aqueous solution, gives rise to secondary results very varied and uncertain in their proportions. Experimental Researches in Electricity, Volume 1 The fact to be proved with regard to these iron-stones is this, That they have acquired their solid state from fusion, and not in concreting from any aqueous solution. Theory of the Earth, Volume 1 (of 4) The aqueous solution will contain the nitrate of barium. Nitro-Explosives: A Practical Treatise Methyl orange is a representative of the group of indicators which, in aqueous solutions, behave as weak bases. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes It is apparent that metallic salts of organic acids would, in aqueous solution, be ionized, the positive ion being the metal, and the negative ion the acid residue. The Project Gutenberg Encyclopedia Volume 1 of 28 When aqueous solutions of bodies are used, secondary results are exceedingly frequent. Experimental Researches in Electricity, Volume 1 But if strata have been consolidated by means of aqueous solution, these masses should be found precisely in the same state as when they were originally deposited from the water. Theory of the Earth, Volume 1 (of 4) An aqueous solution of the acetone, containing 1 or 2 per cent. of acetone. Nitro-Explosives: A Practical Treatise Hydrogen sulphide is a weak acid, and the concentration of the hydrogen ions in its aqueous solutions is very small. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes On standing, the solution separated into two layers, the upper or murial solution containing the bases, the lower or aqueous solution containing the acids. Scientific American Supplement, No. 497, July 11, 1885 To determine the oxygen in the remaining gas, a portion of the caustic potash is allowed to flow out, and an aqueous solution of pyrogallic acid and potash is allowed to enter. Scientific American Supplement, No. 360, November 25, 1882 The strata, formed at the bottom of the sea, are to be considered as having been consolidated, either by aqueous solution and crystallization, or by the effect of heat and fusion. Theory of the Earth, Volume 1 (of 4) The double gold salt, which has been described above, does not melt in boiling water, and its aqueous solution is reduced neither by boiling nor by long exposure to light. Scientific American Supplement, No. 324, March 18, 1882 The aqueous solution of the purified crystalline scales then gave with ferric chloride only a small flesh-colored precipitate. Scientific American Supplement, No. 288, July 9, 1881 Adding about 10 per cent of vinegar to the aqueous solution of the stain, heat it to such a temperature that you can just stand your finger in it. Hunting with the Bow and Arrow Attempts to recover the vitamine from such aqueous solutions have however totally failed to date. The Vitamine Manual We have strata consolidated by calcareous spar, a thing perfectly distinguishable from the stalactical concretion of calcareous earth, in consequence of aqueous solution. Theory of the Earth, Volume 1 (of 4) A few drops of an aqueous solution of these crystals placed upon the tongue produces all the symptoms observed in those who had been made sick by eating of the cheese. Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics Various metals and spars may then be precipitated from aqueous solutions among the interstices of this heterogeneous mass. The Student's Elements of Geology This paper can be prepared by dipping unglazed paper into a strong aqueous solution of litmus. An Introduction to Chemical Science Gold differs in its mode of occurrence from other metals in many respects; but there is no doubt that it was once held in aqueous solution and deposited in its metallic form by electro-chemical action. Getting Gold: a practical treatise for prospectors, miners and students The consolidation of strata with every different kind of substance was found to be inconsistent with the supposition, that aqueous solution had been the means employed for this purpose. Theory of the Earth, Volume 1 (of 4) I may remark that, in the sandstone formation of the Cape of Good Hope, it is evident that silica has been profusely deposited from aqueous solution. Volcanic Islands It cannot be converted into vapor and does not form well-defined compounds with other bodies; it is insoluble in alcohol which precipitates it in flakes from its aqueous solution. 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. Of aqueous solutions he tried 150 and more, and found the power in all of them. Faraday as a Discoverer This is a question that does not seem to have entered into the heads of our naturalists who attempt to explain petrifaction or mineral concretion from aqueous solutions. Theory of the Earth, Volume 1 (of 4) Surely, for no better reason than that there has not occurred to this mineralist any other way of explaining certain natural appearances which aqueous solution could not produce. Theory of the Earth, Volume 1 (of 4) He then passed from magnets to currents, enclosing bars of heavy glass, and tubes containing liquids and aqueous solutions within an electro-magnetic helix. Faraday as a Discoverer Dipped ordinary paper in an aqueous solution of sulphate of copper and carbonate of ammonia and then added alkaline solutions of cochineal or equivalent coloring matter. 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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