How To Use Sulphuric In A Sentence
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The amount of water vapour in a battery depends on the concentration of sulphuric acid in the solution.
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The amount of water vapour in a battery depends on the concentration of sulphuric acid in the solution.
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The most important of the salts, formed by the combinations of the sulphuric acid, are, first, _sulphat of potash_, formerly called _sal polychrest_: this is a very bitter salt, much used in medicine; it is found in the ashes of most vegetables, but it may be prepared artificially by the immediate combination of sulphuric acid and potash.
Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments
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A wooden tank may be rendered capable of withstanding the effects of nitric or sulphuric acids by the following methods: -- Cover the inside with paraffin; go over the inside with a sadiron heated to the temperature used in ironing clothes.
Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889
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To them is due the discovery of antimony, sulphuric ether and phosphorus, the cupellation of gold and silver, the determining of the properties of saltpetre and its use in gunpowder, and the discovery of the distillation of essential oils.
The Majesty of Calmness; individual problems and posibilities
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By this method, sulpho-compounds of the glyceride are first formed, which readily emulsify with water, and, on treatment with steam, liberate fatty acids, the glycerol remaining partly in the form of glycero-sulphuric acid.
The Handbook of Soap Manufacture
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Every textile amylaceous fiber is convertible into these forms, more or less, by strong sulphuric acid.
Scientific American Supplement, No. 530, February 27, 1886
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During the period from 1860 to 1985, sulphuric anhydrite emissions, one of the leading causes of acid rain, increased from seven million tons to approximately 155 million tons annually.
Fidel Castro Issues `Message' to UNCED
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Sulphuric acid has also been supposed to be sometimes an ingredient of peat -- which combining with iron, (always present,) would favor sulphate of iron, or copperas, which is a poison to useful plants.
Agricultural, Geological, and Descriptive Sketches of Lower North Carolina, and the Similar Adjacent Lands
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They fled their homes with a few personal belongings, escaping the acrid sulphuric fumes and lava of an erupting volcano.
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Harding would only have had at his disposal sulphuric acid, but by heating this acid with the neutral fatty bodies he could separate the glycerine; then from this new combination, he easily separated the olein, the margarin, and the stearin, by employing boiling water.
The Mysterious Island
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Hydrochloric acid is sometimes replaced by nitric or sulphuric acid.
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A very similar condensation product was obtained by condensing sodium-_p_-hydroxybenzoate with formaldehyde and subsequent sulphonation with sulphuric acid.
Synthetic Tannins
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The water was found to contain traces of sulphuric acid.
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His case was that chloroform was a safer form of anaesthetic than sulphuric ether, which had been tried out in Boston in 1846.
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The scarlet petals of the wild Poppy, very abundant in English cornfields, when treated with sulphuric acid make a splendid red dye.
Herbal Simples Approved for Modern Uses of Cure
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Carlyle has said: "Death is easy; all men must die"; but to receive two gallons of full-strength sulphuric acid full in the face is a vastly different and vastly more horrible thing than merely to die.
CHAPTER XLIX
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“As to the proofs in gallate (or tannate) of iron, they can be transformed into Prussian blue in a solution of potassium ferrocyanide (yellow prussiate of potash) slightly acidified by sulphuric acid.”
Photographic Reproduction Processes
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Then take some finely powdered fluate of lime (fluor spar,) strew it even over the glass plate upon the waxed side, and then gently pour upon it, so as not to displace the powder, as much concentrated sulphuric acid diluted with thrice its weight of water, as is sufficient to cover the powdered fluor spar.
The Mirror of Literature, Amusement, and Instruction Volume 10, No. 284, November 24, 1827
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Pour exactly 100 ml of sulphuric acid into a measuring cylinder.
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To obtain sulphuric acid, Cyrus Harding had only one operation to make, to calcine the sulphate of iron crystals in a closed vase, so that the sulphuric acid should distil in vapor, which vapor, by condensation, would produce the acid.
The Mysterious Island
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With sulphuric acid it forms a salt that is as stable on heating as the sulphates from gadolinite or cerite and, like these, can be completely decomposed by heating with ammonium carbonate.
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The pieces were then thrown into a barrel of sulphuric acid.
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Complete solution of the substance in sulphuric acid is, generally speaking, a criterion of complete sulphonation.
Synthetic Tannins
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Looks like YouTube got their caca together and fixed itself right on time; if it had been otherwise, I could never have brought you the following unique treasure, this retsina for your retinas, this Everclear for your eyeballs, this sulphuric acid for your synapses.
2007 January 14 « raincoaster
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Its surface temperature is hot enough to melt lead, and it rains sulphuric acid, but US scientists think there might yet be life on Venus, floating in its sulphurous clouds.
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Those used range from mild organic acids such as citric acid to phosphoric acid highly reactive sulphuric and hydrochloric acids.
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The sulphuric acid thus estimated was present in the leather as _free sulphuric acid_.
Synthetic Tannins
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In the case of fluorides free from silicates (such as fluor-spar), it is determined indirectly by decomposing a weighed portion with sulphuric acid, evaporating, igniting, and weighing the residual sulphate.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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sulphuric esters
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Two tests are suggested by Golodetz (1) the addition of one or two drops of a reagent consisting of five parts of concentrated sulphuric acid and three parts of formaldehyde solution, which colours cholesterol a blackish-brown, and (2) the addition of one drop of 30 per cent. formaldehyde solution to a solution of the substance in trichloracetic acid, when with cholesterol an intense blue coloration is produced.
The Handbook of Soap Manufacture
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Concentrated sulphuric acid and 50 l of carbazole reageant (0.1% (w/v) in ethanol 100%) were then added.
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Nitrates are best detected and determined by their yielding nitric oxide when treated with sulphuric acid and a suitable reducing agent, such as ferrous sulphate, mercury, or copper.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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Enzymatic hydrolysis of the glycoside with b-D-glucosidase, gave 2,5 - dihydroxybenzyl alcohol from the ethyl acetate extract, identified as its triacetate, whereas acid hydrolysis with 5% ethanolic sulphuric acid gave 3 - hydroxy-2, 6-dimethoxyethyl benzoate and glucose, as the sole monosaccharide in the aqueous solution (TLC).
Chapter 7
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The crude colemanite as mined carries an average of about 25 per cent B_2O_3; it is treated with soda in the manufacture of borax, or with sulphuric acid in making boric acid.
The Economic Aspect of Geology
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The substance is called sodium thiosulphate, and is a salt of the easily decomposed acid H_ {2} S_ {2} O_ {3}, called thiosulphuric acid.
An Elementary Study of Chemistry
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Those used range from mild organic acids such as citric acid to phosphoric acid highly reactive sulphuric and hydrochloric acids.
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Dried leaf discs were analysed for organic N and Ca after digestion in sulphuric acid and subsequent dilution.
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Acids like sulphuric acid are termed bibasic, and their equivalent is only half the molecular weight.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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[Illustration: No. 1] [Illustration: META-DINITRO-BENZENE No. 2] by treating a substance known as mannite, C_ {6} H_ {8} (OH) _ {6}, an alcohol formed by the lactic acid fermentation of sugar and closely related to the sugars, with nitric and sulphuric acids.
Nitro-Explosives: A Practical Treatise
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Acetaldehyde forms a trimer in the presence of acid catalysts such as sulphuric or phosphoric acid, to make paraldehyde, a pharmacological sedative.
Archive 2007-10-01
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The Pasminco operation produces lead, zinc, cadmium, selenium, copper sulphate and sulphuric acid.
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For the estimation of the fluorescence quantum yields of INP in different solvents, quinine bisulfate in 1 N sulphuric acid and anthracene in ethanol were used as standards ([Phi] flu = 0.55 and 0.27, respectively).
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Then, too, some other chemical, such as bichromate of potassium, or ammonium chloride, may be used instead of dilute sulphuric acid.
General Science
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We can no longer call otto of rosemary, or otto of nutmegs, essential oil of rosemary or nutmegs, with any more propriety than we can term sulphuric acid "oil" of vitriol.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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When mixed with concentrated sulphuric acid, the mixture becomes of a violet-red color, and bisulphate of amyloxide is formed.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
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The fluate of lime is decomposed by the sulphuric acid, and sulphate of lime is formed.
The Mirror of Literature, Amusement, and Instruction Volume 10, No. 284, November 24, 1827
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Here he also made alum and sulphuric acid by the lead chamber process.
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The larger the percentage of tribasic phosphate, the larger the quantity of sulphuric acid required for its decomposition; but sometimes even a poor phosphate consumes a large amount of sulphuric acid.
Manures and the principles of manuring
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The safflower is washed in water until the yellow coloring-matter is removed; the carthamine or color principle is then dissolved out by a weak solution of carbonate of soda; the coloring is then precipitated into the saucers by the addition of sulphuric acid to the solution.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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This acid may be obtained in a solid and dry state, called anhydrous sulphuric acid.
American Hand Book of the Daguerreotype
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Such terrible explosives as trinitrotoluene occasionally mentioned in the published war reports, as well as many others, have as the principal agent of destructive force guncotton, which is ordinary raw cotton or cellulose treated with nitric or sulphuric acid, though there are, of course, other chemicals used in compounding the various forms of deadly explosives.
Kelly Miller's History of the World War for Human Rights
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It is a siliciferous subsulphate of alumina and potash, a compact feldspar, with the addition of sulphuric acid completely formed in it.
Travels to the Equinoctial Regions of America
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The crystals which we obtained from the combination of iron and sulphuric acid were therefore _sulphat of iron_?
Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments
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An excess of the trioxide may dissolve in the strong sulphuric acid, forming what is known as _fuming sulphuric acid_.
An Elementary Study of Chemistry
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The noxious fumes are believed to have been caused by a sulphuric acid-based cleaning agent.
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Under weathering conditions pyrite oxidizes, the sulphur forming sulphuric acid, -- an important agent in the secondary enrichment of copper and other sulphides, -- and the iron forming the minerals hematite and limonite in the shape of a "gossan" or "iron-cap.
The Economic Aspect of Geology
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We can see salt flats and shallow pools of sulphuric acid.
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Venus is covered in a mass of clouds which are thought to be a couple of miles thick and made up of sulphuric acid.
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After the greater portion of the alcohol has distilled off, the solution is acidified with sulphuric acid and the azoimide distilled over.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
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Oxidation of allylene to carbon dioxide, as in the case of acetylene, is not easily effected except by the most powerful oxidiz - ing agents, such as calcium hypobromite or potassium permanganate in concentrated sulphuric acid.
Transactions of the American Philosophical Society
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It was a long day of walking, and the landscape was incredibly dry and barren, we saw no streams, no water at all once we left behind the sulphuric crater lakes.
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The _nitric acid_ used should be free from hydrochloric, sulphuric, iodic and telluric acids.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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When these insoluble azo colours are treated with sulphuric acid they are converted into sulpho acids, undergoing what is called sulphonation, an operation of the greatest (p. 067) importance and value in the preparation of dye-stuffs.
The Dyeing of Woollen Fabrics
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The fluoric acid, disengaged in the gaseous state, combines with the water that diluted the sulphuric acid, and forms liquid fluoric acid, by which the glass is corroded.
The Mirror of Literature, Amusement, and Instruction Volume 10, No. 284, November 24, 1827
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If we suppose selenium to be merely modified sulphur, and phosphorus modified arsenic, how does it happen, we must inquire, that sulphuric acid and selenic acid, phosphoric and arsenic acid, respectively form compounds which it is impossible to distinguish by their form and solubility?
Familiar Letters on Chemistry
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FLAVELLAGIC ACID, C_14H_6O_9, is obtained by the oxidation of gallic acid with concentrated sulphuric acid and potassium persulphate.
Synthetic Tannins
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Action of sulphuric acid, and preparation of the super-sulphate and sub-sulphate -- turpeth mineral.
Outlines of the Lectures on Chemistry, Mineralogy, & Geology, Delivered at the University of North-Carolina, for the Use of the Students. [1]-44 p.
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Cresol is not so easily sulphonated as is phenol; _o_-cresol when heated eight to ten hours at 90° C. with one and one-half times its weight of concentrated sulphuric acid, yields _o_-cresol-_p_-sulphonic acid.
Synthetic Tannins
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All the halogen is obtained with the washing liquid in the form of sodium halide, all the sulphur in the form of sulphuric acid.
Fritz Pregl - Nobel Lecture
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Cresols, naphthalenes, and higher hydrocarbons are used as starting materials in the production of synthetic tannins; the former substances or their oxidation products are sulphonated by means of concentrated sulphuric acid, and the tanning matter produced by condensing the sulphonic acids with formaldehyde.
Synthetic Tannins
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When sulphuric acid is used as the assistant along with the bichrome, then there is formed on the wool fibre a deposit of chromic acid and chromium oxide, and this exerts an oxidising effect on the colouring matter or dye-stuff, which in some cases, as the Alizarine Blue,
The Dyeing of Woollen Fabrics
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The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
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To counteract intestinal discharges probably caused by the calomel, surgeons administered tannin, sulphuric acid, or morphia.
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The energy is stored in the phosphoric acid-sulphuric anhydride bond of the reaction product, 5'-adenylylsulphate, allowing sulphate to undergo further reactions.
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No problem if your inquisitive Year 10 tips potassium into concentrated sulphuric acid.
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Sulphuric acid is widely used to wither the leafy foliage, or haulm, on potatoes before harvesting.
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For the estimation of the fluorescence quantum yields of INP in different solvents, quinine bisulfate in 1 N sulphuric acid and anthracene in ethanol were used as standards ([Phi] flu = 0.55 and 0.27, respectively).
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Some used gelatine sticks while others used a home-made explosive compound of ammonium nitrate, potassium chlorate, sulphuric acid and sugar - chemicals available over the counter in most major cities.
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There was probably a lot of sulphur, sulphuric acid, a lot of carbonation and condensation, all very damaging to the concrete.
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Constant white is a sulphate of baryta, found native and known under the name of heavy-spar, or prepared artificially by adding sulphuric acid, or a soluble sulphate, to a solution of a barytic salt.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
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Acetaldehyde forms a trimer in the presence of acid catalysts such as sulphuric or phosphoric acid, to make paraldehyde, a pharmacological sedative.
Archive 2007-10-01
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If we take, for example, sulphuric acid and zinc and make what we call a galvanic battery, we see that from two chemical substances a third — a salt — is made in addition to which we have a peculiar energy produced called electricity.
Manhood of Humanity.
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_Terebene_, a mixture of dipentene and other hydrocarbons prepared from turpentine oil by treatment with concentrated sulphuric acid, is used chiefly in medicated soaps.
The Handbook of Soap Manufacture
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It is better prepared in the following manner: -- For the preparation of valerianic acid, 1 part of fusel-oil is mixed gradually with 3 parts of sulphuric acid, and 2 parts of water added.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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Its surface temperature is hot enough to melt lead, and it rains sulphuric acid, but US scientists think there might yet be life on Venus, floating in its sulphurous clouds.
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However, it is understood the substance is a waste product created during the distillation of tar, coal, oil or gas and contained sulphuric acid.
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To a small portion of this solution add slight excess of sodium carbonate, evaporate to dryness on the water-bath, dissolve in 5-10 c.c. pure sulphuric acid, add 2 drops saturated copper sulphate solution, place in a test-tube and heat in a boiling water-bath for 2 minutes, cool, add 2 or 3 drops of the alcoholic thiophene and warm gently.
The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.
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Harding would only have had at his disposal sulphuric acid, but by heating this acid with the neutral fatty bodies he could separate the glycerine; then from this new combination, he easily separated the olein, the margarin, and the stearin, by employing boiling water.
The Mysterious Island
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It is obtained by treating a solution of permanganate of baryta with sulphuric acid, when sulphate of baryta falls, and the permanganic acid remains dissolved in the water.
Scientific American Supplement, No. 401, September 8, 1883
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The separated salts (after heating with sulphuric acid and washing out the potassium sulphate formed) are ignited with ammonic carbonate, and weighed as tantalic oxide (Ta_ {2} O_ {5}) and niobic oxide (Nb_ {2} O_ {5}) respectively.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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His case was that chloroform was a safer form of anaesthetic than sulphuric ether, which had been tried out in Boston in 1846.
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The grounds were full of empty fridges, gas cylinders and empty containers of sulphuric acid.
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Moisture in the coal would quickly become converted into dilute sulphuric acid, and attack the sides of the hold.
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OH. COOH. which at higher temperatures is easily sulphonated with concentrated sulphuric acid; the sulphonation product represents a white solid, which easily dissolves in water forming a clear liquid.
Synthetic Tannins
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Thus, for instance, all those salts which are formed by the combination of the sulphuric acid with any of the salifiable bases are called _sulphats_, and the name of the radical is added for the specific distinction of the salt; if it be potash, it will compose a _sulphat of potash_; if ammonia, _sulphat of ammonia_, &c.
Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments
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And when, this morning, I saw the steward struggling with a five-gallon carboy of sulphuric acid, I never dreamed the use he intended for it.
CHAPTER XLIX
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-- The best and simplest mode with which we are acquainted is to divide an earthenware vessel with a diaphragm: one side should be filled with a very dilute solution of sulphuric acid, and the other with either a solution of ferroprussiate of potash, or muriate of soda, saturated with chloride of silver.
American Hand Book of the Daguerreotype
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A study conducted in 1998 revealed that the ocean beds were contaminated by organic matter and sulphuric compounds, likely to damage the seagrass beds, the main source of dugong food.
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The amount of water vapour in a battery depends on the concentration of sulphuric acid in the solution.
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These knobbly, metallic-looking fossils were turned into a mixture of dilute sulphuric acid and dissolved copperas using a dangerous, complicated and highly noxious industrial process.
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The chloroform, which is now free from alcohol and contains all the fusel oil, is treated with a solution of 5 grammes of potassium bichromate in 30 grammes of water and 2 grammes of sulphuric acid, and then heated in a closed flask for six hours on a water bath at 85°.
Scientific American Supplement, No. 365, December 30, 1882
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Pour exactly 100 ml of sulphuric acid into a measuring cylinder.
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It was a long day of walking, and the landscape was incredibly dry and barren, we saw no streams, no water at all once we left behind the sulphuric crater lakes.
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Peregrine Phillips took out a patent in 1831 for the contact or catalytic process for the manufacture of sulphuric acid.
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The sulphonic acid was prepared by heating guaiacol with concentrated sulphuric acid, the resulting water-soluble product possessing a light, brownish-green colour.
Synthetic Tannins
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Cellulose is insoluble in all menstrua, but, when boiled for a long time with sulphuric acid, is converted into a substance called dextrine.
Elements of Agricultural Chemistry
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Thus a 10 per cent. solution of sulphuric acid used at a temperature of 80° C. begins to act on cotton after about five minutes 'immersion, in half an hour there is a perceptible amount of disintegration, but the complete conversion of the cotton into hydrocellulose requires one hour's immersion.
The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student
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When treated in fact with the mixed acids, instead of by the process usually adopted by the authors of solution in nitric acid and subsequent addition of the sulphuric acid, it is converted into the dinitrate
Researches on Cellulose 1895-1900
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Second, two organic and one simpler acid -- acetic (absolute vinegar), meconic (one of the most powerful irritants which can be applied to the intestines through the bile), and sulphuric.
The Opium Habit
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A person's finger may be frozen in one minute's time, by throwing upon it a constant, fine spray of rhigolene or sulphuric ether.
The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand
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A study conducted in 1998 revealed that the ocean beds were contaminated by organic matter and sulphuric compounds, likely to damage the seagrass beds, the main source of dugong food.
-
Harding would only have had at his disposal sulphuric acid, but by heating this acid with the neutral fatty bodies he could separate the glycerine; then from this new combination, he easily separated the olein, the margarin, and the stearin, by employing boiling water.
The Mysterious Island
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Cadmium sulphate, CdSO_4, is known in several hydrated forms; being deposited, on spontaneous evaporation of a concentrated aqueous solution, in the form of large monosymmetric crystals of composition 3CdSO_4·8H_2O, whilst a boiling saturated solution, to which concentrated sulphuric acid has been added, deposits crystals of composition CdSO_4·H_2O.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
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Baryta, oxide of barium (BaO), commonly occurs in combination with sulphuric oxide in the mineral barytes or heavy spar (BaSO_ {4}), and in combination with carbon dioxide in witherite (BaCO_ {3}).
A Text-book of Assaying: For the Use of Those Connected with Mines.
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With these (p. 116) are used sulphuric acid, oxalic acid, cream of tartar or argol, lactic acid, etc.
The Dyeing of Woollen Fabrics
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I liken the part played by thoria in respect of the alcohols to that of sulphuric acid in the classical mechanism, known as Williamson's method, for the production of diethyl ether or ethylene.
Paul Sabatier - Nobel Lecture
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Taking sodium silicate and sulphuric acid as a composite depressor, float As and depress Sb.
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The water was found to contain traces of sulphuric acid.
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By contrast, making Kevlar involves a complex series of organic reactions in hot sulphuric acid at high pressures.
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The amount of water vapour in a battery depends on the concentration of sulphuric acid in the solution.
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If a carbonate, chloride, or nitrate, be present in the native binoxide, it must be removed with some sulphuric acid.
Scientific American Supplement, No. 324, March 18, 1882
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There was probably a lot of sulphur, sulphuric acid, a lot of carbonation and condensation, all very damaging to the concrete.
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And some of the most important inorganic compounds, such as sulphuric acid and ammonia, rely upon the petrochemical industry for their feedstocks.
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The acetate of amyloxide, which, according to the usual way of preparing it, represents one part sulphuric acid, one part fusel-oil, and two parts of acetate of potash, had a striking smell of fruit, but it acquired the pleasant flavor of the jargonelle pear only after having been diluted with six times its volume of spirit of wine.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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By oxidation with bichromate of potash and sulphuric acid, fusel oil yields valerianic acid, which is used in medicine, and apple-oil, employed as a flavoring ingredient in confectionery.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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Cyrus Harding had only at his disposal the ordinary azotic acid and not the fuming or monohydrate azotic acid, that is to say, acid which emits white vapors when it comes in contact with damp air; but by substituting for the latter ordinary azotic acid, mixed, in the proportion of from three to five volumes of concentrated sulphuric acid, the engineer obtained the same result.
The Mysterious Island
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Thus, for instance, all those salts which are formed by the combination of the sulphuric acid with any of the salifiable bases are called _sulphats_, and the name of the radical is added for the specific distinction of the salt; if it be potash, it will compose a _sulphat of potash_; if ammonia, _sulphat of ammonia_, &c.
Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments
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Sulphuric acid is still the most widely used desiccant on potatoes, used to wither the leafy foliage, or haulm, before harvesting.
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It is obtained impure, as a by product, when for the preparation of valerianic acid, fusel-oil is distilled with bichromate of potash and sulphuric acid.
The Art of Perfumery And Methods of Obtaining the Odors of Plants
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The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
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But if we consider hydrogen as a gasiform metal, we naturally arrive at the conclusion that _water is the hydroxide of this gasiform metal_, that is _hydrogen hydroxide_, while gaseous hydrochloric and hydrosulphuric acids would be looked upon as respectively the chloride and the sulphide of the metal hydrogen.
Scientific American Supplement No. 822, October 3, 1891
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The most important of these is thiosulphuric acid.
An Elementary Study of Chemistry
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And even as the liquid flew through the air I knew it for what it was -- undiluted sulphuric acid, two gallons of it from the carboy.
CHAPTER XLIX
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The glycerol content is ascertained by taking 2.5 grammes, adding lead subacetate solution, and filtering without increasing the bulk more than is absolutely necessary; the solution is concentrated to about 25 c.c., and the oxidation with bichromate and sulphuric acid conducted as described in the examination of Crude Glycerine.
The Handbook of Soap Manufacture
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Here he also made alum and sulphuric acid by the lead chamber process.
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The brown iodic liquor of the soap-boiler, or the solution of kelp from which all the crystallizable ingredients have been separated by concentration, is heated to about 230° Fahr., poured into a large stone-ware basin and saturated with diluted sulphuric acid.
Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs
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The residue is treated with sulphuric acid and boiled.
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When pyrogallol is sulphonated with concentrated sulphuric acid a violet-coloured sulphonic acid, soluble in water, is obtained, which, when treated with formaldehyde first in the cold and then when heated, yields a solid deep red-coloured mass, which precipitates gelatine but not aniline hydrochloride, and gives a blackish-brown colour with ferric chloride.
Synthetic Tannins
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Those used range from mild organic acids such as citric acid to phosphoric acid highly reactive sulphuric and hydrochloric acids.
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These include acid delinted, which has the linters removed by sulphuric acid.
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Into a pint gem-jar put water 10 parts, sulphuric acid 1 part, potass, bichromate 1 part.
Ontario Teachers' Manuals: Nature Study
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Sulphur converts to sulphuric acid with the help of bacteria in the soil but this takes time depending on factors like the presence of bacteria, texture of the soil and moisture levels.
