Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 12
... boiling - point of paraffin . These include K , Na , Rb , Cs , Li , Cd , Hg . Ga , In , TI , Sn , Pb , Bi , and the metalloids P , Se , Te . The bismuthides of the alkali metals are readily oxidised in air , being converted into a black ...
... boiling - point of paraffin . These include K , Na , Rb , Cs , Li , Cd , Hg . Ga , In , TI , Sn , Pb , Bi , and the metalloids P , Se , Te . The bismuthides of the alkali metals are readily oxidised in air , being converted into a black ...
Strona 16
... boiling 95 per cent alcohol yields a dark coloured extract , from which on cooling a light yellow micro - crystalline body separates . This material was separated by filtration and the alcohol removed from the filtrate by evaporation ...
... boiling 95 per cent alcohol yields a dark coloured extract , from which on cooling a light yellow micro - crystalline body separates . This material was separated by filtration and the alcohol removed from the filtrate by evaporation ...
Strona 17
... boiling 95 per cent alcohol , a portion of the precipitate goes into solution . The amount of the humus precipitate so dissolved varies with the cha- racter of the soil treated , but the alcoholic solution obtained in this way is always ...
... boiling 95 per cent alcohol , a portion of the precipitate goes into solution . The amount of the humus precipitate so dissolved varies with the cha- racter of the soil treated , but the alcoholic solution obtained in this way is always ...
Strona 20
... boiling - point Density of vapour at its boiling - point Density of oxygen at o ° C. . Boiling - point of oxygen ( ° C . ) = .. = = y = ratio of specific heats of this gas .. Heat of vaporisation of oxygen at boiling - point ( calories ) ...
... boiling - point Density of vapour at its boiling - point Density of oxygen at o ° C. . Boiling - point of oxygen ( ° C . ) = .. = = y = ratio of specific heats of this gas .. Heat of vaporisation of oxygen at boiling - point ( calories ) ...
Strona 33
... boiling 95 per cent alcohol , a portion of the humus pre- cipitate goes into solution . If the alcohol is removed by evaporation and water added to keep the volume constant , a dark coloured precipitate is formed , which , after filtra ...
... boiling 95 per cent alcohol , a portion of the humus pre- cipitate goes into solution . If the alcohol is removed by evaporation and water added to keep the volume constant , a dark coloured precipitate is formed , which , after filtra ...
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