Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 4
... temperature of 160 ° . ( The exact procedure may be found in an article by Clarke and Biggs , Journ . Am . Chem . Soc . , 1912 , xxxiv . , 59 ) . Properties . Colourless , very mobile liquid , with a very slight " sweetish " odour . B ...
... temperature of 160 ° . ( The exact procedure may be found in an article by Clarke and Biggs , Journ . Am . Chem . Soc . , 1912 , xxxiv . , 59 ) . Properties . Colourless , very mobile liquid , with a very slight " sweetish " odour . B ...
Strona 9
... temperature of an exposed blackened copper plate . In a previous paper , experiments were carried out in atmospheres of air and hydrogen , and at pressures extending from 76 cm . to 1 cm . of mercury . Under certain conditions it was ...
... temperature of an exposed blackened copper plate . In a previous paper , experiments were carried out in atmospheres of air and hydrogen , and at pressures extending from 76 cm . to 1 cm . of mercury . Under certain conditions it was ...
Strona 12
... temperature are Centigrade unless otherwise trade associations headed by a Minister of Commerce is expressed . Telephone - Holborn 6380 . Telegrams- " Silexate , London. SOURCES . author is Mr. Ernest J. P. Benn , a well - known trade ...
... temperature are Centigrade unless otherwise trade associations headed by a Minister of Commerce is expressed . Telephone - Holborn 6380 . Telegrams- " Silexate , London. SOURCES . author is Mr. Ernest J. P. Benn , a well - known trade ...
Strona 15
... temperature , the re- sulting thorium hydroxide ignited to the oxide , and the latter brought to constant weight over the blast lamp . Duplicate determinations gave the following results : - Thorium sulphate solution . ( a ) 25 cc . 25 ...
... temperature , the re- sulting thorium hydroxide ignited to the oxide , and the latter brought to constant weight over the blast lamp . Duplicate determinations gave the following results : - Thorium sulphate solution . ( a ) 25 cc . 25 ...
Strona 15
... temperature 25 grms . of ammonium acetate were added , the volume made up to 400 or 500 cc . , and a 5 per cent " cupferron " solution added in decided excess . From this point on the determination was made just as in the case of ...
... temperature 25 grms . of ammonium acetate were added , the volume made up to 400 or 500 cc . , and a 5 per cent " cupferron " solution added in decided excess . From this point on the determination was made just as in the case of ...
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acetate acetone added aluminium aluminium chloride ammonia ammonium amount analysis antimony apparatus applied B.Sc benzene boiling boron British bromine carbon carotin cent Chem CHEMICAL NEWS Office chemist Chemistry chloric acid College colour commercial compounds concentrated containing copper course crucible D.Sc determined dilute dissolved distillation dyeing Engineering ether ethyl alcohol evaporated experiments extract Farringdon Street ferric chloride filter filtrate flask glass heated hydrochloric acid hydrogen hydrolysis industry insoluble investigation iodide iron Laboratory Lectures London manufacture material metal method mixture monazite Newcastle Street nitrate nitric acid nitrogen obtained organisation oxide paper phosphate physical plant platinum potassium practical precipitate prepared present Price production Prof pure quantity radium reaction reagent residue salt samples scientific silica Society sodium soluble solution starch Students substances sulphate sulphide sulphuric acid Table Technical temperature thorium tion toluene trade Trinitrotoluene tube volume washed weight