The Philosophy of Experimental Chemistry, المجلد 1I. Peirce, 1813 - 694 من الصفحات |
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النتائج 1-5 من 57
الصفحة 41
... equal parts . of muriate of ammonia , and muriate of mercury , are dissolved in nitric acid , and a solution of gold is made in this fluid : upon this the solution is concentrated , and applied to the surface of silver , which becomes ...
... equal parts . of muriate of ammonia , and muriate of mercury , are dissolved in nitric acid , and a solution of gold is made in this fluid : upon this the solution is concentrated , and applied to the surface of silver , which becomes ...
الصفحة 43
... For information on hot gilding , Grecian gilding , cold gilding , and wet gilding , see Gren's Chemistry , vol . ii . p . 282. For the muriate of gold , see Salts of Gold . SECTION II . OF PLATINUM . Experiment 1. If equal 43.
... For information on hot gilding , Grecian gilding , cold gilding , and wet gilding , see Gren's Chemistry , vol . ii . p . 282. For the muriate of gold , see Salts of Gold . SECTION II . OF PLATINUM . Experiment 1. If equal 43.
الصفحة 44
James Cutbush. SECTION II . OF PLATINUM . Experiment 1. If equal parts of crude platinum and super - tartrate of potash be mixed , and introduced into a crucible , and exposed for two hours to a violent heat , the platinum fuses , and if ...
James Cutbush. SECTION II . OF PLATINUM . Experiment 1. If equal parts of crude platinum and super - tartrate of potash be mixed , and introduced into a crucible , and exposed for two hours to a violent heat , the platinum fuses , and if ...
الصفحة 45
... equal quantity of ar- senious acid and half a pound of potash . After cool- ing the contents of the different crucibles in a hori- zontal position , in order to have them throughout of equal thickness , heat them under a muffle to ...
... equal quantity of ar- senious acid and half a pound of potash . After cool- ing the contents of the different crucibles in a hori- zontal position , in order to have them throughout of equal thickness , heat them under a muffle to ...
الصفحة 48
... equal parts of glacial acid of phosphorus and platinum , mixed with an eighth of charcoal , be put into a crucible , and a stratum of char- coal powder put on it ; and the whole , exposed to an intense heat for one hour , a button of ...
... equal parts of glacial acid of phosphorus and platinum , mixed with an eighth of charcoal , be put into a crucible , and a stratum of char- coal powder put on it ; and the whole , exposed to an intense heat for one hour , a button of ...
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
acetate of lead acetic acid acid be added acid be saturated acid gas acid unites alcohol alkali alloy alumina ammonia antimony arsenic arsenic acid barytes bismuth black oxyd blue boiling boracic acid borate carbonate of potash carbonic acid charcoal cobalt compound contains 100 acid converted copper crucible decomposed diluted dissolved distilled evaporated filter fluate fluid fluoric acid fused gallic acid glass gold grains green hydrogen gas hyper-oxymuriate insoluble lime liquor magnesia manganese melted metal mixed mixture molybdate muriate of ammonia muriate of soda muriatic acid nickel nitrate nitrate of potash nitre nitric acid nitrous obtained ounce oxalic oxyd oxyd of lead oxygen oxymuriate oxymuriatic acid phosphate phosphoric acid phosphorus phosphuret platinum produced prussiate of potash quantity Rationale Remark retort SECTION separated sided prisms silver soluble in water specific gravity strong heat strontian succinate sulphate of iron sulphate of potash sulphuret sulphuric acid volatile weight white powder white precipitate zinc
مقاطع مشهورة
الصفحة 6 - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
الصفحة 6 - And also to the act, entitled " An act supplementary to an act, entitled " An act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and etching historical and Other prints.
الصفحة 62 - ... are rubbed, after which they are made red-hot, and then polished. The intention of this process appears to be little more than to apply the silver in a state of minute division to the clean surface of the copper, and afterwards to fix it there by fusion ; and, accordingly, this silvering may be effected by using the argentine precipitate, here mentioned, with borax or mercury, and causing it to adhere by fusion. The...
الصفحة 194 - Into a large glass jar inverted upon a flat brick tile, and containing near its top a branch of fresh rosemary, or any other such shrub moistened with water, introduce a flat, thick piece of heated iron, on which place some gum benzoin in gross powder. The...
الصفحة 203 - If a piece be then well washed in pure warm water, and afterwards boiled in a decoction of logwood, the ground will be dyed either of a slate or black colour, according to the strength of the metallic solution, while the printed figures will remain beautifully white. This experiment is designed to show the effect of acids in discharging vegetable colours.
الصفحة 42 - Expert artists however make these additional applications while the piece remains in the furnace, though the practice is said to be highly noxious, on account of the mercurial fumes. After this it is rubbed with gilders...
الصفحة 56 - Dissolve dry nitrate of silver in pure water ; add a little oil of turpentine, shake the mixture, and cork it close. Submit the phial with its contents to the heat of boiling water for an hour, when the metal will be revived, and the inside of the phial, where the oil reposed on the aqueous solution, will be beautifully silvered, the reduced metal forming a metallic ring, extending quite round the phial.
الصفحة 156 - Write with a solution of muriate of cobalt, and the writing, while dry, will not be perceptible ; but if held towards the fire, it will then gradually become visible ; and if the muriate of cobalt be made in the usual way, the letters will appear of an elegant green colour.
الصفحة 92 - If a piece of bright silver be dipped in a solution of sulphate of copper, it will come out unchanged : but if the blade of a clean penknife, or any piece of polished iron, be dipped in the same solution, the iron will instantly put on the appearance of copper.
الصفحة 40 - When any thing is to be gilded, it must be previously well burnished ; a piece of cork is then to be dipped, first into a solution of salt in water, and afterwards into the black powder ; and the piece, after being rubbed with it, must be burnished. This powder is frequently used for gilding delicate articles of silver.