Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 5
... sample in the inner flask , which should have been removed from the outer flask , and be entirely cool . If the sample is noticeably charged with carbon dioxide , pass through it a current of air for a few minutes by attaching to the ...
... sample in the inner flask , which should have been removed from the outer flask , and be entirely cool . If the sample is noticeably charged with carbon dioxide , pass through it a current of air for a few minutes by attaching to the ...
Strona 6
... sample well over the bottom of the dish . From 4 to 6 cc . of alcohol are poured into the dish , and , for a moment , allowed to seep into the coke . The dish is then shaken laterally to promote uniform wetting of the sample , whereupon ...
... sample well over the bottom of the dish . From 4 to 6 cc . of alcohol are poured into the dish , and , for a moment , allowed to seep into the coke . The dish is then shaken laterally to promote uniform wetting of the sample , whereupon ...
Strona 30
... . N. Knight , at whose suggestion the work was undertaken . Cornell College , December 30 , 1909 . 65.5 ° C. , on the same sample of nitro 30 CHEMICAL NEWS , Jan. 21 , 1910 Effect of Continued Grinding on Water of Crystallisation .
... . N. Knight , at whose suggestion the work was undertaken . Cornell College , December 30 , 1909 . 65.5 ° C. , on the same sample of nitro 30 CHEMICAL NEWS , Jan. 21 , 1910 Effect of Continued Grinding on Water of Crystallisation .
Strona 32
... samples of nitro - cellulose tested with each paper as before : - Heat Test at 65.5 ° C. Paper Regular stock Colourless bottle Amber bottle Blue bottle .. Black bottle .. Sample B. Sample C. Mins . Mins . 21 45 .. 20 46 20 51 .. 20 44 ...
... samples of nitro - cellulose tested with each paper as before : - Heat Test at 65.5 ° C. Paper Regular stock Colourless bottle Amber bottle Blue bottle .. Black bottle .. Sample B. Sample C. Mins . Mins . 21 45 .. 20 46 20 51 .. 20 44 ...
Strona 43
... sample that has been treated to decompose the perchlorates into chlorides , and in an untreated sample . This decomposition can be accomplished very easily by the method of Dittrich and Hollenback ( Ber . , 1905 , xxxviii . , 751 ) ...
... sample that has been treated to decompose the perchlorates into chlorides , and in an untreated sample . This decomposition can be accomplished very easily by the method of Dittrich and Hollenback ( Ber . , 1905 , xxxviii . , 751 ) ...
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acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis apparatus atomic weight B.Sc barium boiling bromide calcium calculated carbon dioxide cent Chem chemical Chemistry chemists chloride colour comet compounds concentrated condensation containing copper crystalline D.Sc decomposed derivatives determination dilute dissolved distilled ether ethyl evaporated excess experiments filter filtrate flask formed formula gives gold grms heated hydrochloric acid hydrogen hydroxide invertase iodide iodine iron J. J. Thomson ketone liquid melting metal method mgrms mineral mixture molecular molecules muriatic niobic nitrate nitric acid obtained oxide oxidised oxygen paper perchloric acid permanganate phosphorus platinum potassium precipitate prepared present Prof pure quantity reaction reduced residue salt sample scandium silver phosphate Society sodium sodium carbonate soluble substance sugar sulphate sulphide sulphuric acid tantalic acid tantalum telluride tellurium temperature theory tion titanic acid titanium tube vanadium vapour washed ytterbium zinc