"Sulphate" Quotes from Famous Books
 ... article to be coated is suspended in a chemical solution of the metal to be deposited. Fig. 84 shows a very simple plating outfit. A is a battery; B a vessel containing, say, an acidulated solution of sulphate of copper. A spoon, S, hanging in this from a glass rod, R, is connected with the zinc or negative element, Z, of the battery, and a plate of copper, P, with the positive element, C. Current flows in the direction shown by the arrows, from Z to C, C to P, P ...
— How it Works • Archibald Williams
... the plains near the Danube, whilst amongst the inland lakes, which are few in number and importance, that of Balta Alba, in the district of Romnicu Sarat, possesses strong mineral properties, in which chloride of sodium and carbonate and sulphate of soda preponderate. Its waters are used for baths, and are said to cure certain forms of scrofula, rheumatism, neuralgia, and other germane maladies. Besides Balta Alba, Roumania possesses several other sources of ...
— Roumania Past and Present • James Samuelson
... "common sulphate and persulphate of iron introduced. The colour instantly changed and became more or less blue, proving the existence of the perferrocyanite of iron and, consequently, ...
— James Cutbush - An American Chemist, 1788-1823 • Edgar F. Smith
... is formed of mud: and in this numerous large crystals of gypsum, some of which are three inches long, lie embedded; whilst on the surface others of sulphate of soda lie scattered about. The Gauchos call the former the "Padre del sal," and the latter the "Madre;" they state that these progenitive salts always occur on the borders of the salinas, when the water begins to evaporate. The mud is black, and has a fetid odour. I could ...
— The Voyage of the Beagle • Charles Darwin
... out-run, out-fight, and checkmate all the rest of creation; how could such a people be content with any but "heroic" practice? What wonder that the stars and stripes wave over doses of ninety grains of sulphate of quinine, [More strictly, ninety-six grains in two hours. Dunglison's Practice, 1842, vol. ii. p. 520. Eighty grains in one dose. Ibid. p. 536. Ninety-six grains of sulphate of quinine are equal to eight ounces ...
— Medical Essays • Oliver Wendell Holmes, Sr.
... may be taken once a week with advantage. Glauber's Salts (Sodium Sulphate), Cascara Sagrada, and liquid paraffin are all good, while Castor Oil ...
— Epilepsy, Hysteria, and Neurasthenia • Isaac G. Briggs
... better for washing the iodized paper; if, however, spring water be made use of, warm water should be added, to raise it to a temperature of sixty degrees. I think that sulphate or bicarbonate of lime would be injurious, but I cannot speak with any certainty in this respect, or to muriate ...
— Notes and Queries, No. 179. Saturday, April 2, 1853. • Various
... six last cases of the series (55-60). The first northern case (55) is covered with various Sulphates, or metals in combination with sulphuric acid, exhibiting beautiful crystals and colours, including sulphate of magnesia from Oregon; sulphate of zinc, or white vitriol; sulphate of iron, or green vitriol; and the splendid blue sulphates of copper from Hungary; beautiful sulphates of lead from Anglesea; sulphates of alumina; common alum; and the splendid specimens ...
— How to See the British Museum in Four Visits • W. Blanchard Jerrold
... varying anywhere between twenty seconds and three minutes, depending on the sensitiveness of the plates. The instrument is then removed to the dark room, and the plates developed by immersing them all at once in a solution consisting of four parts potassium oxalate and one part ferrous sulphate. After ten minutes they are removed, fixed, and dried. Their readings are then noted, and compared with those obtained with the silver chloride. The chloride experiment is again performed as soon as the plates have been removed, and the first result confirmed. With some plates it is necessary to ...
— Scientific American Supplement, No. 520, December 19, 1885 • Various
... they term a 'resist paste' to cover such places as are designed to be unaffected by the dye. If the ingredients of this paste were known it might be what S.W.P., desires." This "resist paste" is 1 lb. of binacetate of copper (distilled verdigris), 3 lbs. sulphate of copper dissolved in 1 gal. water. This solution to be thickened with 2 lbs. gum senegal, 1 lb. British gum and 4 lbs. pipe clay; adding afterward, 2 oz. nitrate ...
— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various
... excommunicate him, to anonymous-article him, because he did not take in Brown's-worth of knowledge, truth, beauty, divinity. He cannot do it, any more than a pint-pot can hold a quart, or a quart-pot be filled by a pint. Iron is essentially the same everywhere and always; but the sulphate of iron is never the same as the carbonate of iron. Truth is invariable; but the Smithate of truth must always differ from the ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)
... the soda of commerce (which is the carbonate) from common salt, it is first converted into Glauber's salt (sulphate of soda). For this purpose 80 pounds weight of concentrated sulphuric acid (oil of vitriol) are required to 100 pounds of common salt. The duty upon salt checked, for a short time, the full advantage of this discovery; but when the Government repealed ...
— Familiar Letters of Chemistry • Justus Liebig
... VOLTAMETER.—The second, or copper voltameter, is shown in Fig. 42. The glass jar (A) contains a solution of copper sulphate, known in commerce as blue vitriol. A pair of copper plates (B, B') are placed in this solution, each being provided with a connecting wire (C). When a current passes through the wires (C), one copper plate (B) is eaten away and deposited on the other plate ...
— Electricity for Boys • J. S. Zerbe
... continuous and unbroken part of the same, which granular body, by reason of its resistance, is made incandescent, and generates all the heat required. The ore or light material to be reduced—as, for example, the hydrated oxide of aluminum, alum, chloride of sodium, oxide of calcium, or sulphate of strontium—is usually mixed with the body of granular resistance material, and is thus brought directly in contact with the heat at the points of generation, at the same time the heat is distributed through the mass ...
— Scientific American Supplement, No. 508, September 26, 1885 • Various
... invented in 1805, and by the year 1820 had quite taken the place of tinder boxes. Various lighting pastes were used, until the improvements which resulted in the "safety" matches. The dangerous sulphur and white phosphorus have given place in modern match-making to sesqui-sulphate mixtures; and wax vestas and other "strikers" have superseded the curious objects the ...
— Chats on Household Curios • Fred W. Burgess
... minerals in Mississippi, are amethyst, of which one crystal has been found; potter's clay, at the Chickasaw Bluffs, and near Natchez; sulphuret of lead in small quantities, about Port Gibson; and sulphate of iron. Petrified trunks of trees are found in the bed of the Mississippi, opposite Natchez. In Arkansas Territory are various species. Here may be found the native magnet, or magnetic oxide of iron, possessing strong magnetic power. Iron ores are very abundant. Sulphate of copper, sulphuret of ...
— A New Guide for Emigrants to the West • J. M. Peck
... name Cuscuta comes from the Greek Kassuo—to sew together. If the piece of land infested with it is closely mown (and the cut material carried away unshaken), being next covered with deal saw-dust, on which a ten per cent. solution of sulphate of iron is freely poured, then by combining with the tannin contained in the stems of the Dodder, this will serve to kill the parasite without doing any injury to the clover or lucerne. Although a parasite the plant springs every year from seed. It is a remedy ...
— Herbal Simples Approved for Modern Uses of Cure • William Thomas Fernie
... disease is vaguely conceived as the effect of natural causes; though as to what those natural causes are they have no definite ideas. This attitude is shown by their readiness to make use of European drugs and of remedies for external application. Quinine for fever, and sulphate of copper for the treatment of yaws, are most in demand. Cholera and smallpox are the great epidemic diseases which have ravaged large areas of Borneo from time to time. The Kayans recognise that both these diseases spread ...
— The Pagan Tribes of Borneo • Charles Hose and William McDougall
... being ill. Yavorski saw her about an hour later, and by producing emesis, and giving coffee, atropin, and tincture of musk, he saved her life. Pyle describes a pugilist of twenty-two who, in a fit of despondency after a debauch (in which he had taken repeated doses of morphin sulphate), took with suicidal intent three teaspoonfuls of morphin; after rigorous treatment he revived and was discharged on the next day perfectly well. Potassium permanganate was used in this case. Chaffee speaks of recovery after the ingestion of 18 ...
— Anomalies and Curiosities of Medicine • George M. Gould
... mordant as well as upon the dye, it is often possible to obtain a wide range of colors by varying the mordant used, the dye remaining the same. For example, with alum and oxalic acid as a mordant and logwood as a dye, blue is obtained; but with a mordant of ferric sulphate and a dye of logwood, blacks and grays result. Fabrics immersed directly in alizarin acquire a reddish yellow tint; when, however, they are mordanted with certain aluminium compounds they acquire a brilliant Turkey red, when mordanted with chromium compounds, ...
— General Science • Bertha M. Clark
... these, and we might add many from other sources, euphony is wantonly disregarded; by other authors of smaller calibre, classical associations are curiously violated. We may take, as an instance, platinode, Spanish-American joined to ancient Greek. In chemistry there is a profusion of new coin. Sulphate of ammonia—oxi-sulphion of ammonium—sulphat-oxide of ammonium—three names for one substance. This mania is by no means common to England. In Liebig's Chemistry, Vol. ii. p. 313, we have the following passage:—"It should be remarked ...
— Blackwood's Edinburgh Magazine, No. CCCXXXVI. October, 1843. Vol. LIV. • Various
... surface, and thus tend to disintegrate and scale off, independent of the solvent effects of the carbonated water. Beneath overhanging ledges of limestone, quantities of fine earthy rubbish can be seen, weathered off from such causes. In these I have detected sulphate of lime, sulphate of magnesia, nitrate of lime, and occasionally sulphate of soda. The tendency which some calcareous rocks have to produce nitrate of lime is, probably, one of the greatest causes ...
— Cave Regions of the Ozarks and Black Hills • Luella Agnes Owen
... rock salt buried among the strata are dissolved by seeping water, which issues in salt springs. Gypsum, a mineral composed of hydrated sulphate of lime, and so soft that it may be scratched with the finger nail, is readily taken up by water, giving to the water of wells and springs a peculiar hardness ...
— The Elements of Geology • William Harmon Norton
... the 8th of May, the engineer began his manipulations. These shistose pyrites being composed principally of coal, flint, alumina, and sulphuret of iron—the latter in excess—it was necessary to separate the sulphuret of iron, and transform it into sulphate as rapidly as possible. The sulphate obtained, the sulphuric acid could ...
— The Mysterious Island • Jules Verne
... product is carbonate of potash. The ashes left by burning wood contain the same salt. The ashes left by burning sea-weed produce carbonate of soda. When nitre is burned with sulphur, the product is sulphate of potash, etc. These have all been called generically, even in modern times, nitre, having each a certain prefix well understood by the adept, or chemist, ...
— Museum of Antiquity - A Description of Ancient Life • L. W. Yaggy
... of the present century has been mentioned. One result of the extensive adulteration of modern paper is that the worm will not touch it. His instinct forbids him to eat the china clay, the bleaches, the plaster of Paris, the sulphate of barytes, the scores of adulterants now used to mix with the fibre, and, so far, the wise pages of the old literature are, in the race against Time with the modern rubbish, heavily handicapped. Thanks to the general interest ...
— Enemies of Books • William Blades
... a powerful acid, and there are some which contain large quantities of sulphuric acid, one single application of which will destroy the best teeth in the world. The "hair dyes," advertised under so many different names, contain such poisons as nitrate of silver, oxide of lead, acetate of lead, and sulphate of copper. These are fatal to the hair, and generally injure the scalp. The "ointments" and "unguents," for promoting the growth of whiskers and moustaches, are either perfumed and colored lard, or poisonous compounds, which contain quick lime, or corrosive sublimate, or ...
— Lights and Shadows of New York Life - or, the Sights and Sensations of the Great City • James D. McCabe
... long and one broad. The border of the lakes is formed of mud, which is thrown up by a kind of worm. How surprising it is that any creature should be able to exist in brine, and that they should be crawling among crystals of sulphate ...
— The World's Greatest Books, Volume 19 - Travel and Adventure • Various
... been customary in most states to make analyses only of mixed fertilizers. Thus such raw materials as nitrate of soda, sulphate of ammonia, dried blood, bone meal, rock phosphate, tankage, muriate of potash, sulphate of potash, have not been brought under the operation of the law. If one wishes to purchase nitrate of soda, muriate of potash and tankage with the intention of mixing ...
— The Young Farmer: Some Things He Should Know • Thomas Forsyth Hunt
... you get a sufficient quantity to produce after burning them enough ashes for the experiment. Well, by analyzing those ashes, you will obtain silicic acid, aluminium, phosphate and carbonate of lime, carbonate of magnesia, the sulphate and carbonate of potassium, and oxide of iron, precisely as if the cress had grown in ordinary earth, beside a brook. Now, those elements did not exist in the brimstone, a simple substance which served for soil ...
— The Alkahest • Honore de Balzac
... the study of metals, and so it is not surprising to find that he succeeded in formulating a method by which metallic copper could be obtained. The material used for the purpose was copper pyrites, which was changed to an impure sulphate of copper by the action of oil of vitriol and moist air. The sulphate of copper occurred in solution, and the copper could be precipitated from it by plunging an iron bar into it. Basil Valentine recognized the presence of this peculiar yellow metal, ...
— Old-Time Makers of Medicine • James J. Walsh
... members of the English and French Club was a Mr. Vieweg, at that time, I believe, the largest manufacturer of sulphate of quinine in Europe. Mr. Vieweg was that rara avis amongst middle-class German business-men, a born sportsman. He had already made two sporting trips to Central Africa after big game, and rented a large shooting estate near Brunswick. In common with the other members of the Club, ...
— The Days Before Yesterday • Lord Frederick Hamilton
... containing one-tenth part of sulphuric acid; plunge into this a thick piece of zinc, and leave it here for four-and-twenty hours. The chloride of silver will be reduced by the formation of {477} chloride and sulphate of zinc, and of pure silver, which will remain under the form of a blackish powder, which is then to be washed, filtered, and preserved for the purpose of making ...
— Notes and Queries, Number 238, May 20, 1854 • Various
... himself analysed that day by Dr. ALLEN, and he was found to consist principally of carbonate of Lime; Silicate of Potassa; Iodide of Magnesia; and Chloride of Sodium; with a strong trace of Sulphate ...
— Punchinello, Vol. 1, No. 15, July 9, 1870 • Various
... hard) in the story of the Argonauts, where Medea concocts a magic brew. She put divers herbs in it, herbs yielding coloured juices such as safflower and alkanet, and soapwort and fleawort to give consistency or 'body' to the lye; she put in alum and blue vitriol (or sulphate of copper), and she put in blood. The magic brew was no more and no less than a dye, a red or purple dye, and a prodigious deal of chemistry had gone to the making of it. For the copper was there to produce a 'lake' or copper-salt of the vegetable ...
— The Legacy of Greece • Various
... prescribed by various brother physicians, had any thing more than a temporary effect to relieve me. All of the year 1834, until September, I used opium for relief; and I used three and four grains of sulphate of morphine per day, equal to about sixteen grains of opium. Spirit, wine, and ale I had tried, and journeys through many portions of the State of Maine, with the hope that a more northern climate would invigorate ...
— Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages • William Andrus Alcott
... the coast. On an accurate examination of these shells, Mr. Darwin found many of them deeply corroded. "They have," he says, "a much older and more decayed appearance than those at the height of 500 or 600 feet on the coast of Chile. These shells are associated with much common salt, a little sulphate of lime (both probably left by the evaporation of the spray, as the land slowly rose), together with sulphate of soda, and muriate of lime. The rest are fragments of the underlying sand-stone, and are covered by a few ...
— Travels in Peru, on the Coast, in the Sierra, Across the Cordilleras and the Andes, into the Primeval Forests • J. J. von Tschudi
... named contain what is called tannic acid. Other elements also are used, such as gallic acid, alum, sulphate of iron, and copper, ...
— The Wonder Island Boys: Exploring the Island • Roger Thompson Finlay
... different metals and fluids—the so-called voltaic batteries. Such are the decomposing powers of such batteries that not even insoluble compounds are capable of resisting their energy, for even glass, sulphate of baryta, fluorspar, etc., are slowly acted upon, and the alkaline, earthy, or acid matter carried to the poles in ...
— The World's Greatest Books - Volume 15 - Science • Various
... touch of snow-blindness which rapidly improved under treatment. The stock cure for this very irritating and painful affection is to place first of all tiny "tabloids" of zinc sulphate and cocaine hydrochloride under the eyelids where they quickly dissolve in the tears, alleviating the smarting, "gritty" sensation which is usually described by the sufferer. He then bandages the eyes and escapes, if he is lucky, into ...
— The Home of the Blizzard • Douglas Mawson
... curtained doorway, and returned with her husband's vest, from an inner pocket of which he took a hypodermic syringe, a bottle of Magendie's solution, and also another vial of the sulphate of morphia. ...
— Without a Home • E. P. Roe
... came. In apoplexy with a red face and stertorous breathing, put the feet in mustard bath and dash much cold water on the head from above. On revival give emetic: cure with sulphate of quinine. In apoplexy with a white face, treat as for a simple faint: here emetic dangerous. In neither apoplexy bleed. Coming ...
— Hard Cash • Charles Reade
... chemical attack of the sulphuric acid on the zinc, the positive hydrogen ions are liberated, due to the affinity of the negative SO{4} ions for the positive zinc ions, this resulting in the formation of zinc sulphate in the solution. Now the solution itself becomes positively charged, due to the positive charges leaving the zinc plate with the zinc ions, and the free positively charged hydrogen ions liberated in the solution as just described are repelled to the copper plate, carrying their positive charges ...
— Cyclopedia of Telephony & Telegraphy Vol. 1 - A General Reference Work on Telephony, etc. etc. • Kempster Miller
... you mean by natural manure," said the Deacon, "unless it is the droppings of animals." —"To distinguish them, I suppose," said the Doctor, "from artificial manures, such as superphosphate, sulphate of ammonia, and nitrate of soda." —"No; that is not how I used the term. A few years ago, we used to hear much in regard to the 'exhaustion of soils.' I thought this phrase conveyed a wrong idea. When ...
— Talks on Manures • Joseph Harris
... Crystallized Sulphate of Lime.—Found imbedded in the alluvial soil forming the banks of the Darling river. Occurring in a regular vein. Soft, yielding to the nail; not acted on by ...
— Two Expeditions into the Interior of Southern Australia, Complete • Charles Sturt
... in answer to W. ROUTLEDGE'S inquiry the following directions for making a graph for copying letters, &c.:—Six parts of glycerine, four parts of water, two parts of barium sulphate, one part of sugar. Mix the materials and let them soak for twenty-four hours, then melt at a gentle heat and stir well. I have used this recipe and have frequently taken twenty or twenty-five clear ...
— Little Folks (October 1884) - A Magazine for the Young • Various
... once, and send for a physician with instructions to bring hypodermic syringe and atropine sulphate. The dose is 1/180 of a grain, and doses should be continued heroically until 1/20 of a grain is administered, or until, in the physician's opinion, a proper quantity has been injected. Where the victim is critically ill, the 1/20 of a grain may be ...
— Boy Scouts Handbook - The First Edition, 1911 • Boy Scouts of America
... and covers terminal buds. Starting each season with completely clean sand and equipment will not prevent the appearance of algae over a long season of continuous operation. 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. To date no effect is noticeable either on the ...
— Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting • Various
... from an eminent oculist: Take half an ounce of rock salt and one ounce of dry sulphate of zinc; simmer in a clean, covered porcelain vessel with three pints of water until all are dissolved; strain through thick muslin; add one ounce of rose-water; bottle and cork it tight. To use it, mix one teaspoonful ...
— The Whitehouse Cookbook (1887) - The Whole Comprising A Comprehensive Cyclopedia Of Information For - The Home • Mrs. F.L. Gillette
... including marble, bricks, slates and tiles; (8) Chinaware and glass; (9) paper and paper-making materials; (10) soap, paint and colours, including articles exclusively used in their manufacture, and varnish; (11) bleaching powder, soda ash, caustic soda, salt cake, ammonia, sulphate of ammonia and sulphate of copper; (12) agricultural, mining, textile and printing machinery; (13) precious and semiprecious stones, pearls, mother-of-pearl and coral; (14) clocks and watches, ...
— Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 2 - "Constantine Pavlovich" to "Convention" • Various
... strong arguments will be advanced by Germany for the retention of the plants for the purpose of fertilising her own soil. The argument is strong, for the impoverishment of German soil has been such as to demand, theoretically, enormous tonnages of ammonium sulphate. But it is vital, for the stability of peace, that this unique capacity for producing explosives must not remain the monopoly of any one country. It is the expressed intention of certain governments outside Germany to foster the nitrogen fixation ...
— by Victor LeFebure • J. Walker McSpadden
... Tuesday was wet and uncomfortable, I delayed departure till Wednesday morning. My 'Warburg' had unfortunately leaked out: the paper cover of the phial was perfect, but of the contents only a little sediment remained. Treatment, therefore, was confined to sulphate of quinine and a strychnine and arsenic pill; arseniate of quinine would have been far better, but the excellent preparation is too economical for the home-pharmist, and has failed to secure the favour of the Coast-doctors. One of my ...
— To The Gold Coast for Gold, Vol. II - A Personal Narrative • Richard Francis Burton and Verney Lovett Cameron
... the farm you will find some sulphate of quinine. That is worth still more to break the fever than the ...
— Dick Sand - A Captain at Fifteen • Jules Verne
... purchaser, it was the extraordinary length and size. I knew of no living bird large enough to wear such a feather. As for the color, that might have been tampered with before I bought it, and, indeed, testing it later, I found on the fronds traces of sulphate of copper. But the same thing has been found in the feathers of certain birds whose color is metallic green, and it has been proven that such birds pick up and swallow shining bits ...
— In Search of the Unknown • Robert W. Chambers
... all the carbon they hold came out of the air. The waters of the primordial ocean were probably highly charged with mineral matter, with various chlorides and sulphates and carbonates, such as the sulphate of soda, the sulphate of lime, the sulphate of magnesia, the chloride of sodium, and the like. The chloride of sodium, or salt, remains, while most of the other compounds have been precipitated through the agency of minute forms of life, and now form parts of the soil and ...
— Time and Change • John Burroughs
... the peroxide of iron by precipitation with water of ammonia, from a pure dilute solution of sulphate of iron; the precipitate is washed, pressed in a screw press till nearly dry, and exposed to a heat which in the dark appears a dull, low red. The only points of importance are, that the sulphate of iron ...
— American Handbook of the Daguerrotype • Samuel D. Humphrey
... see, with about 22,000 cells or jars. The electricity is generated in these jars. They contain carbon and zinc plates in a solution of bichromate of potash and sulphuric acid and water. We fill them up once every two weeks, and renew the plates occasionally. There is a deal of sulphate of copper used up here, sir, in creating electricity—about six tons in the year. Pure copper accumulates on the plates in the operation, but the ...
— Post Haste • R.M. Ballantyne
... ounces of green copperas, four ounces of logwood chips, six ounces of gum arabac, and a glass of brandy.—To make ink of a superior quality, and fit for immediate use, prepare the following ingredients. Four ounces of blue galls, two ounces of chipped logwood, two of sulphate of iron, one ounce and a half of gum arabac, half an ounce of sulphate of copper, and half an ounce of brown sugar. Boil the galls and logwood in six pints of spring or distilled water, until nearly three pints of water are evaporated, then strain it through a piece of flannel. ...
— The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, • Mary Eaton
... some twenty years ago; four or five years since the idea was patented in the United States, but as this was given gratis to the world years before, the patent did not hold good. The form of precipitation generally adopted was to add sulphate of iron to the liquid drawn from the filter. This not only threw down the gold it contained, but also the lime and magnesia. Then very great care was necessary, and a tedious process had to be gone through to divide the gold from these. Now, by filtration through charcoal everything ...
— Scientific American Supplement, No. 620, November 19,1887 • Various
... Using Carbonate of Lime (Figs 2, 3, and 10)—When chalk is acted upon by sulphuric acid, there is formed an insoluble sulphate which, by covering the chalk, prevents the action of the acid from continuing if care be not taken to constantly agitate the materials. This has led to a change in the arrangement of the generator in the apparatus designed for the use ...
— Scientific American Supplement, No. 365, December 30, 1882 • Various
... 30 Granite, grey, a variety. 31 Ferruginous sandstone. 32 Silicious rock, with veins of quartz. 33 Mica slate. 34 Quartz, indurated with red veins. 35 Silicious rock, dusky. 36 Silicious rock, white. 37 Gypsum, or sulphate of lime. 38 Quartz veins from slate; trap rock, containing hornblende and feldspar; limestone, recent, with clay and slate imbedded. 39 Impure and slaty limestone; hornslate, a variety. 40 Hemaetite, a silicious oxide of ...
— Expedition into Central Australia • Charles Sturt
... vitriol, ferrous sulphate heptahydrate, a compound of iron, sulphur, and oxygen, crystallised with seven molecules of water, represented by the formula FeSO47H2O. On exposure to the air it loses water, and is gradually converted into basic ferric sulphate. For long, green vitriol was ...
— Bygone Beliefs • H. Stanley Redgrove
... should be effected by an emetic which is quickly obtained, and most powerful and speedy in its operation. Such are, powdered mustard (a large tablespoonful in a tumblerful of warm water), powdered alum (in half-ounce doses), sulphate of zinc (ten to thirty grains), tartar emetic (one to two grains) combined with powdered ipecacuanha (twenty grains), and sulphate of copper (two to five grains). When vomiting has already taken place, copious ...
— How to Camp Out • John M. Gould
... thin line of gum on the flap of the envelope," he explained, "I have placed first a coating of tannin, over which is the gum. Then on the part of the envelope to which the flap adheres when it is sealed I placed some iron sulphate. When I sealed the envelope so carefully I brought the two together separated only by the thin film of gum. Now when steam is applied to soften the gum, the usual method of the letter-opener, the tannin and the sulphate are brought together. They run and leave ...
— The Ear in the Wall • Arthur B. Reeve
... sodium tartrate and carbon dioxide (carbonic acid) should result. Some powders contain an excess of sodium bicarbonate. Self-raising flours should be avoided. They are commonly composed of—in addition to sodium bicarbonate—acid calcium phosphate, calcium superphosphate and calcium sulphate. Common baking powders often consist of the same ingredients, and sometimes also of magnesia and alum. These are often made and sold by ignorant men, whose sole object is to make money. Calcium superphosphate and acid calcium phosphate very frequently contain arsenic, and as ...
— The Chemistry of Food and Nutrition • A. W. Duncan |
