The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 |
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Página 14
... hydrochloric acid solution of perchloride of iron is neutralised by means of carbonate of soda , so as to cause a permanent precipitate , and the latter is cautiously re - dissolved by the addition of some hydrochloric acid , a liquid ...
... hydrochloric acid solution of perchloride of iron is neutralised by means of carbonate of soda , so as to cause a permanent precipitate , and the latter is cautiously re - dissolved by the addition of some hydrochloric acid , a liquid ...
Página 16
... hydrochloric acid to dissolve nearly the whole of the iron oxide ; then ammonia is added , until a precipitate of oxide reappears , and lastly as much free HCl and water as are necessary to bring the fluid to the conditions which ...
... hydrochloric acid to dissolve nearly the whole of the iron oxide ; then ammonia is added , until a precipitate of oxide reappears , and lastly as much free HCl and water as are necessary to bring the fluid to the conditions which ...
Página 21
... hydrochloric acid yielded methyliac hydrochlorate . The process of the operation is described at great length , and ... hydrochloric acid , then washed with water , dried and reduced to powder ; this is treated with caustic potassa . The ...
... hydrochloric acid yielded methyliac hydrochlorate . The process of the operation is described at great length , and ... hydrochloric acid , then washed with water , dried and reduced to powder ; this is treated with caustic potassa . The ...
Página 38
... 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 temperature , a ...
... 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 temperature , a ...
Página 44
... hydrochloric acid , while the remaining portion did not unite with this acid until heat was applied . The two isomeric chlorides thus separated were re - converted into olefines , both of which boiled at 98 ° . When heptene , boiling at ...
... hydrochloric acid , while the remaining portion did not unite with this acid until heat was applied . The two isomeric chlorides thus separated were re - converted into olefines , both of which boiled at 98 ° . When heptene , boiling at ...
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Palavras e frases frequentes
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
Passagens conhecidas
Página 98 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Página 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.
Página 230 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
Página 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.
Página 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.
Página 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.
Página 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.
Página 222 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.