Chemical News and Journal of Industrial Science

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Chemical news office., 1891

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Сторінка 258 - The Metallurgy of Gold. A Practical Treatise on the Metallurgical Treatment of Gold-bearing Ores, including the Processes of Concentration and Chlorination, and the Assaying, Melting and Refining of Gold.
Сторінка 71 - No English text-book at all approaches this in the COMPLETENESS with which the most modern views on the subject are dealt with. Professor Austen's volume will be INVALUABLE, not only to the student, but also to those whose knowledge of the art is far advanced.
Сторінка 35 - The Art of Perfumery, and the Methods of Obtaining the Odours of Plants ; the Growth and general Flower Farm System of Raising Fragrant Herbs ; with Instructions for the Manufacture of Perfumes &c.
Сторінка 76 - Committee of Revision and Publication of the Pharmacopoeia of the United States.
Сторінка 4 - Coal-Gas, delivered in March, 1867, and printed in the ' Journal of Gas Lighting,' he considered that incandescent particles of carbon are not the source of light in gas and candle flames, but that the luminosity of these flames is due to radiations from dense, but transparent hydrocarbon vapours. As a further generalization from the...
Сторінка 9 - SYSTEMATIC HANDBOOK OF VOLUMETRIC ANALYSIS ; or, the Quantitative Estimation, of Chemical Substances by Measure, applied to Liquids, Solids, and Gases.
Сторінка 275 - There was no actual instruction ; I received from each individual every morning a report upon what he had done on the previous day, as well as his views on what he was engaged upon. I approved or made my criticisms.
Сторінка 125 - ... reflected from a concave mirror through a foggy atmosphere. Green Phosphorescent Light of Molecular Impact. — At very high exhaustions the dark space becomes so large that it fills the tube. Careful scrutiny still shows the presence of the dark violet focus; and the part of the glass on which fall the rays diverging from this focus shows a sharply defined spot of greenish-yellow light.
Сторінка 53 - A given space contains millions of millions of molecules in rapid movement in all directions, each molecule having millions of encounters in a second. In such a case, the length of the mean free path of the molecules is exceedingly small compared with the dimensions of the containing vessel, and the properties which constitute the ordinary gaseous state of matter, which depend upon constant collisions, are observed. What, then, are these molecules ? Take a single lone molecule in space.
Сторінка 34 - WANKLYN.— MILK ANALYSIS ; a Practical Treatise on the Examination of Milk and its Derivatives, Cream, Butter, and Cheese. By JA Wanklyn, MRCS, &c.

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