The Chemist, Band 4R. Hastings., 1843 |
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Seite 15
... color , and appeared to con- tain no sesquioxide of iron , but the addition of water caused the production of that oxide ; the superior solution had a fine green color resembling the manganate of potassa ; as I wished to effect its ...
... color , and appeared to con- tain no sesquioxide of iron , but the addition of water caused the production of that oxide ; the superior solution had a fine green color resembling the manganate of potassa ; as I wished to effect its ...
Seite 29
... colors to an impalpable pow- der , and depositing them upon different parts of the picture , in succession ; the ex- tent of each color being determined by a pattern or screen , resembling a stencil plate . The modus operandi is as ...
... colors to an impalpable pow- der , and depositing them upon different parts of the picture , in succession ; the ex- tent of each color being determined by a pattern or screen , resembling a stencil plate . The modus operandi is as ...
Seite 33
... color of un- polished silver . It was then heated to redness in the copper capsule above de- scribed , which operation caused it to un- dergo some slight contraction , without any other alteration . The metal became solid and compact ...
... color of un- polished silver . It was then heated to redness in the copper capsule above de- scribed , which operation caused it to un- dergo some slight contraction , without any other alteration . The metal became solid and compact ...
Seite 36
... color and consistence of cream ; it very soon coa- gulates and turns yellow , then brown , and dries very promptly , losing 71 per cent . of its weight ; it often becomes covered with crystalline efflorescences , which Dr. Bidault de ...
... color and consistence of cream ; it very soon coa- gulates and turns yellow , then brown , and dries very promptly , losing 71 per cent . of its weight ; it often becomes covered with crystalline efflorescences , which Dr. Bidault de ...
Seite 51
... color , without producing sugar of gelatin ; at least we did not recognise its presence . Dilute nitric acid precipitates legumin , like the preceding : when concentrated , it dissolves dry legumin with a disengagement of nitrous gas ...
... color , without producing sugar of gelatin ; at least we did not recognise its presence . Dilute nitric acid precipitates legumin , like the preceding : when concentrated , it dissolves dry legumin with a disengagement of nitrous gas ...
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acetic acid action albumen alcohol aliments alkali ammonia analysis animal athal atoms bile body boiling butyric acid calculi carbonic acid caseïn cent charcoal chemical Chemistry chemists chloric acid chloride color combination composition compound contains copper crystallised crystals cyanuret of potassium decomposed decomposition deposit dilute disengaged dissolved distilled dried employed ether evaporation experiments extract fatty matter fecula filtered formed furnished give grammes heat hydrated hydrochloric acid hydrogen insoluble iodine iron Journal kilog lead Liebig lime liquid liquor manure means ment mercury metallic milk mixed mixture nitric acid nitrogen observed obtained odor oxalate oxide oxygen peroxide phosphate platinum portion potassa potassium powder precipitated prepared present produced properties proportion protoxide quinine residue resin salt silver small quantity soda soluble solution spermaceti stomach substance sugar sulphate sulphuret sulphuric acid syrup tained temperature tion tube uric acid urine valerianate vegetable weight zinc
Beliebte Passagen
Seite 469 - TREATISE ON FOOD AND DIET: With Observations on the Dietetical Regimen suited for Disordered States of the Digestive Organs ; and an Account of the Dietaries of some of the principal Metropolitan and other Establishments for Paupers, Lunatics, Criminals, Children, the Sick, &c. By JON. PEREIRA, MDFRS & LS Author of
Seite 421 - I can confidently recommend this work, from my own personal experience, to all who are desirous of obtaining instruction in analysis, for its simplicity and usefulness, and the facility with which it may be apprehended.
Seite 26 - I feel convinced that we have to do with some thermic influence, and that it will eventually be found that some purely calorific excitement produces a molecular change, or that a thermo-electric action is induced which effects some change in the polarities of the ultimate atoms of the solid.
Seite 45 - Triflers may find or make any thing a trifle ; but since it is the great characteristick of a wise man to see events in their causes, to obviate consequences, and ascertain contingencies, your Lordship will think nothing a trifle by which the mind is inured to caution, foresight, and circumspection.
Seite 24 - I placed on a well polished copper plate, a sovereign, a shilling, a large silver medal and a penny. The plate was gently warmed by passing a...
Seite 26 - I find the impression made into the metal, I confidently hope to be enabled to give to these singular and beautiful productions a considerable degree of permanence, so that they may be used by engravers for working on.
Seite 25 - Mercurial vapour brought up the images in the following order, smoked glass, crown glass, red glass, mica, beautifully delineated, orange glass, paper, charcoal, the coin, blue glass ; thus distinctly proving, that the only rays which had any influence on the metal, were the calorific rays.
Seite 366 - He had the satisfaction of seeing his system, after half a century's existence, spread over every part of the globe ; and just before his death, he learned that homoeopathy was about to have a chair at the University of Vienna, and hospitals in all the Austrian States, at Berlin, and at London.
Seite 316 - ... he had employed gallic acid in some cases of menorrhagia, with the most successful results. Like all the other remedies directed against that disease, it had also occasionally failed in his hands. Some of the cases, which had completely yielded under its use, were of an old standing, and aggravated description. He gave it during the intervals, as well as during the discharge, in doses of from ten to twenty grains per day, made into pills. It had this advantage over most other anti-hemorrhagic...
Seite 72 - I mix with the bones, bone ash, or bone dust, or, with apatite or phosphorite or any other substance containing phosphoric acid, a quantity of sulphuric acid, just sufficient to set free as much phosphoric acid as will hold in solution the undecomposed phosphate of lime...