The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 - Chemistry |
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Page 4
... portion passing over before 200 ° , no product can be obtained showing a constant boiling - point ; but on treating it with a solution of caustic soda , an oily aromatic liquid of characteristic odour floats on the surface , which ...
... portion passing over before 200 ° , no product can be obtained showing a constant boiling - point ; but on treating it with a solution of caustic soda , an oily aromatic liquid of characteristic odour floats on the surface , which ...
Page 11
... portion not in a soluble condition , if equal ground , the proportions of the one and the other cannot be given . This is what farmers wish to know , and then the true value is of easy determination ; and so long as bones are nearly ...
... portion not in a soluble condition , if equal ground , the proportions of the one and the other cannot be given . This is what farmers wish to know , and then the true value is of easy determination ; and so long as bones are nearly ...
Page 13
... portion gave the following results : -Sulphur , 45'08 per cent ; sand , 8.92 per cent ; and sulphur , 45'04 per cent ; sand , 8.88 per cent . 2. Another portion of the sifted sample was similarly reduced in a wedgwood mortar , which had ...
... portion gave the following results : -Sulphur , 45'08 per cent ; sand , 8.92 per cent ; and sulphur , 45'04 per cent ; sand , 8.88 per cent . 2. Another portion of the sifted sample was similarly reduced in a wedgwood mortar , which had ...
Page 14
... portions of manganese are thrown down along with the iron - for instance , from 13 per cent only about o'02 to o'05 per cent ... portion of the chloride of manganese is also converted into acetate , which salt is readily decomposed into ...
... portions of manganese are thrown down along with the iron - for instance , from 13 per cent only about o'02 to o'05 per cent ... portion of the chloride of manganese is also converted into acetate , which salt is readily decomposed into ...
Page 15
... portions at a time with a Bunsen gas flame , commencing as usual with the anterior portion . When the operation is progressing favourably , the deflag ration proceeds for a few seconds after removing the flam 1 CHEMICAL NEWS , 10 , 15 ...
... portions at a time with a Bunsen gas flame , commencing as usual with the anterior portion . When the operation is progressing favourably , the deflag ration proceeds for a few seconds after removing the flam 1 CHEMICAL NEWS , 10 , 15 ...
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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
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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.
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