Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 3
... obtained did not contain the exceedingly characteristic lance - shaped crystals of potas sium tantalum fluoride , but exhibited the tablet shape of niobium potassium oxyfluoride . " " We had only 20 grms . of tantalic acid , but it was ...
... obtained did not contain the exceedingly characteristic lance - shaped crystals of potas sium tantalum fluoride , but exhibited the tablet shape of niobium potassium oxyfluoride . " " We had only 20 grms . of tantalic acid , but it was ...
Strona 4
... obtained some of these results . The present research was completed before we knew of Giles's publication ) . It was found to be preferable to lead sulphuretted hydrogen into the warmed ammoniacal solution until it was saturated ; the ...
... obtained some of these results . The present research was completed before we knew of Giles's publication ) . It was found to be preferable to lead sulphuretted hydrogen into the warmed ammoniacal solution until it was saturated ; the ...
Strona 8
Results obtained in this way showed but small variation among themselves . The average of a large number gave a uranium content of o 1036 grm . , or a positive error of 0'0013 grm . from gravimetric results . The average of a large ...
Results obtained in this way showed but small variation among themselves . The average of a large number gave a uranium content of o 1036 grm . , or a positive error of 0'0013 grm . from gravimetric results . The average of a large ...
Strona 10
... obtained respectively from methanesulphonyl - p - phenylene- diamine , CH , SO2 NH · C6H4 NH2 , and methanedisul- phonylbis - p - phenylenediamine , CH2 ( SO2 NH C6H4 NH2 ) 2 . DISCUSSION . Dr. MORGAN , in reference to Prof. Armstrong's ...
... obtained respectively from methanesulphonyl - p - phenylene- diamine , CH , SO2 NH · C6H4 NH2 , and methanedisul- phonylbis - p - phenylenediamine , CH2 ( SO2 NH C6H4 NH2 ) 2 . DISCUSSION . Dr. MORGAN , in reference to Prof. Armstrong's ...
Strona 22
... obtained with these tissues were more akin to those of the radio - active group of substances which specially acted on the X - ray plate than to effects which were purely chemical , and might be thought to affect both plates alike ...
... obtained with these tissues were more akin to those of the radio - active group of substances which specially acted on the X - ray plate than to effects which were purely chemical , and might be thought to affect both plates alike ...
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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