The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 - Chemistry |
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Page 2
... quantity of dimethylxylidine , which as such exists in the liquid , remains behind with the excess of methylic iodide , from which it may easily be separated by means of hydrochloric acid . It deserves to be noticed that while the ...
... quantity of dimethylxylidine , which as such exists in the liquid , remains behind with the excess of methylic iodide , from which it may easily be separated by means of hydrochloric acid . It deserves to be noticed that while the ...
Page 14
... quantity of the material originally taken , and in these 250 c.c. I estimate the manganese . When the manganese is intended to be precipitated by a further addition of acetate and bromine , and the quantity of dioxide of manganese then ...
... quantity of the material originally taken , and in these 250 c.c. I estimate the manganese . When the manganese is intended to be precipitated by a further addition of acetate and bromine , and the quantity of dioxide of manganese then ...
Page 15
and cobalt , metals often present in iron in greater or less quantity , small quantities are thrown down along with the manganese precipitate , copper and nickel only as monoxides , but cobalt as sesquioxide ; the latter , therefore ...
and cobalt , metals often present in iron in greater or less quantity , small quantities are thrown down along with the manganese precipitate , copper and nickel only as monoxides , but cobalt as sesquioxide ; the latter , therefore ...
Page 32
... quantity of water , fumes of nitric acid are given off , it would be quite erroneous to infer from this fact what might happen in very dilute solutions . I had therefore to devise a method which would not only admit of the detection of ...
... quantity of water , fumes of nitric acid are given off , it would be quite erroneous to infer from this fact what might happen in very dilute solutions . I had therefore to devise a method which would not only admit of the detection of ...
Page 38
... quantity of hydrochloric acid , it is placed in stills , in order to separate the acetic acid . When this is mixed with a small quantity of a solution of bichromate of potassa , and left quietly standing for a while at the ordinary ...
... quantity of hydrochloric acid , it is placed in stills , in order to separate the acetic acid . When this is mixed with a small quantity of a solution of bichromate of potassa , and left quietly standing for a while at the ordinary ...
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Common terms and phrases
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.