The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 - Chemistry |
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Page 4
... proportion of these gases consisted of carbonic oxysulphide ( COS ) . To prove the presence of this compound , it was only necessary to pass the evolved gases through a bottle containing a slightly acid solution of lead , by which the ...
... proportion of these gases consisted of carbonic oxysulphide ( COS ) . To prove the presence of this compound , it was only necessary to pass the evolved gases through a bottle containing a slightly acid solution of lead , by which the ...
Page 6
... proportion of which ( either as ore or metal ) we have to import from Sweden . The crystalline form of this ore belongs to the hexagonal system , the crystals being , as a rule , tabular . It occurs usually of a bluish black colour ...
... proportion of which ( either as ore or metal ) we have to import from Sweden . The crystalline form of this ore belongs to the hexagonal system , the crystals being , as a rule , tabular . It occurs usually of a bluish black colour ...
Page 8
... proportions of the soil ingredients , and their degree of availability , would remain substantially the same ; the ... proportion than the coarser ones , as well as from the greater influence of vegetation , we shall , in the series of ...
... proportions of the soil ingredients , and their degree of availability , would remain substantially the same ; the ... proportion than the coarser ones , as well as from the greater influence of vegetation , we shall , in the series of ...
Page 19
... proportion of easily decomposed hydrocarbons , or which have little cohesive strength . Gas coals , after having ... proportion in which they combine to water , which has not been the case in the fresh coal . The pro- perty of the coal ...
... proportion of easily decomposed hydrocarbons , or which have little cohesive strength . Gas coals , after having ... proportion in which they combine to water , which has not been the case in the fresh coal . The pro- perty of the coal ...
Page 26
... proportion of copper which refuses to be oxidised , but rather concentrates in the metal if the process is continued . Plainly other chemical reactions must be sought for its removal , and I am pleased to observe i that my own labours ...
... proportion of copper which refuses to be oxidised , but rather concentrates in the metal if the process is continued . Plainly other chemical reactions must be sought for its removal , and I am pleased to observe i that my own labours ...
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acetic acid action alcohol alkaline alumina ammonia analysis aniline apparatus appears applied arsenic acid Assays atoms barium baryta body boiling bromine calcium carbonic acid caustic cent chemical chemistry chemists chloric acid chloride coal colour composition compounds containing converted copper crystallisation crystals cymene decomposed decomposition deposit dilute dissolved distilled employed ether evaporation experiments filtered flask formation formed formula furnace fused glass heat hydrate hydrochloric acid hydrogen Improvements insoluble iodide iron Laboratory lime liquid magnesia manganese manufacture matter metallic method methyl mineral mixture nitrate nitric acid nitrogen observed obtained ordinary oxalic oxide oxidising oxygen paper PATENTS phosphate phosphoric acid potash potassa potassium precipitate prepared present produced pure pyrites quantity reaction Royal salt sample silicate silver Society soda sodium soluble solution substance sulphate sulphide sulphuretted hydrogen sulphuric acid temperature tion toluidine treated tube vapour washed weight yields zinc
Popular passages
Page 98 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Page 83 - President in the chair. After the minutes of the previous meeting had been read and confirmed, the Society proceeded to the election of officers and members of Council for the year next ensuing.
Page 230 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
Page 6 - Others apart sat on a hill retired, In thoughts more elevate, and reasoned high Of Providence, Foreknowledge, Will, and Fate— Fixed fate, free will, foreknowledge absolute — And found no end, in wandering mazes lost.
Page 170 - By a delicate mathematical analysis, Thomson arrives at the theorem that the ''average pressure at any point of an incompressible, frictionless fluid, originally at rest, but set in motion and kept in motion by solids, moving to and fro, or whirling round in any manner, through a finite space of it," would explain the attractions just described.
Page 98 - Supplement; bringing the Record of Chemical Discovery down to the end of the year 1869 ; including also several Additions to, and Corrections of, former results which have appeared in 1870 and 1871.
Page 75 - Experiments with chlorides are recorded. It was found in all cases that the difference between the spectrum of the chloride and the spectrum of the metal was that under the same spark-conditions all the short lines were obliterated. Changing the spark-conditions, the final result was that only the very longest lines in the spectrum of the metallic vapour remained.
Page 222 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.