Chemical News and Journal of Industrial Science, Volumes 27-28Chemical news office., 1773 - Chemistry |
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Page 14
... fact that too large a quantity of acetate of soda is employed , in consequence of which a portion of the chloride of man- ganese is also converted into acetate , which salt is readily decomposed into protoxide and acid , a fact almost ...
... fact that too large a quantity of acetate of soda is employed , in consequence of which a portion of the chloride of man- ganese is also converted into acetate , which salt is readily decomposed into protoxide and acid , a fact almost ...
Page 17
... fact that air is the expanding medium in their apparatus , is not proved by facts . The instrument used by me enables me to regulate with great precision the temperature of either an air- or oil - bath , since the limit of variation of ...
... fact that air is the expanding medium in their apparatus , is not proved by facts . The instrument used by me enables me to regulate with great precision the temperature of either an air- or oil - bath , since the limit of variation of ...
Page 26
... fact that the Bessemer ingots themselves only contain traces of manganese , whilst the carbon ranges about o'5 per cent . NEWS that my own labours in this direction have been acknow- ledged by Dr. Percy in his third volume , which ...
... fact that the Bessemer ingots themselves only contain traces of manganese , whilst the carbon ranges about o'5 per cent . NEWS that my own labours in this direction have been acknow- ledged by Dr. Percy in his third volume , which ...
Page 27
... fact that specimens of which are on the table , are as follows : - not only from Elba , but also from Algeria and Turkey Hematite , or red oxide of iron , in its purest state , con- iron ores are being sent into this country . Out of 16 ...
... fact that specimens of which are on the table , are as follows : - not only from Elba , but also from Algeria and Turkey Hematite , or red oxide of iron , in its purest state , con- iron ores are being sent into this country . Out of 16 ...
Page 31
... fact , that the more recent researches of organic chemistry bear upon and throw some light on the synthetical processes going on in plants ; but , notwith- standing this , the efforts both of chemists and of phyto- physiologists have ...
... fact , that the more recent researches of organic chemistry bear upon and throw some light on the synthetical processes going on in plants ; but , notwith- standing this , the efforts both of chemists and of phyto- physiologists have ...
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acetic acid action alcohol alkaline alumina ammonia analysis aniline anthracene apparatus appears applied Assays atoms barium baryta body boiling bromine calcium carbonic acid caustic cent chemical chemistry chemists chloric acid chloride coal colour combination composition compounds containing converted copper crystallisation crystals decomposed decomposition deposited dilute dissolved distilled electricity employed ether evaporation experiments filtered flask formation formed formic acid 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 yields zinc
Popular passages
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Page 108 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Page 232 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
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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.
Page 144 - London. /Chemical Technology, or Chemistry in its ^-^ Applications to the Arts and Manufactures. By THOMAS RICHARDSON and HENRY WATTS.
Page 96 - 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 253 - ... effect is proportional to the magnetic intensity of the bar multiplied by the current traversing the coil seems to indicate that in this case the effect is produced by the attraction of the magnetic particles by the coil. But then it will be asked why so remarkable an augmentation of the effect is produced by the increase of tension in the case of the soft iron bars. When we are able to answer this question in a satisfactory manner, we shall probably have a much more complete acquaintance with...
Page 73 - Since it appeared that the purest and densest vapour alone gave the greatest number of lines, it became of interest to examine the spectra of compounds consisting of a metal combined with a nonmetallic element. 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...
Page 224 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.