Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 3
... solution of curcumin . The procedure was as follows : -About 3 grms . of a dried sample were treated with sufficient saturated lime - water to make the reaction alkaline . After a thorough mixing in platinum dishes the samples were ...
... solution of curcumin . The procedure was as follows : -About 3 grms . of a dried sample were treated with sufficient saturated lime - water to make the reaction alkaline . After a thorough mixing in platinum dishes the samples were ...
Strona 4
... solution of pure sodium bisulphite and the aldehyde . bisulphite compound crystallisel out . This was filtered and By ALEXANDER SMITH , Columbia University , New York City . pressed out on a clay plate . The best method for the ...
... solution of pure sodium bisulphite and the aldehyde . bisulphite compound crystallisel out . This was filtered and By ALEXANDER SMITH , Columbia University , New York City . pressed out on a clay plate . The best method for the ...
Strona 10
... solution , to which a clear mathematical meaning can be given . When salt leaves a given section of the vessel containing the solution , the diminution in volume of the contained liquid is prevented by the automatic addition of water ...
... solution , to which a clear mathematical meaning can be given . When salt leaves a given section of the vessel containing the solution , the diminution in volume of the contained liquid is prevented by the automatic addition of water ...
Strona 15
... solution of thorium sulphate was em- ployed for these experiments . This was prepared by dissolving the Welsbach Light Company's thorium nitrate in boiling water and precipitating the thorium with a boiling solution of sebacic acid ...
... solution of thorium sulphate was em- ployed for these experiments . This was prepared by dissolving the Welsbach Light Company's thorium nitrate in boiling water and precipitating the thorium with a boiling solution of sebacic acid ...
Strona 16
... solutions were prepared by dissolving 2 grm . portions of the ignited oxides in a slight excess of nitric acid and diluting the solution to a volume of about IO CC . The absorbing layer was 10 cm . long . The less soluble fractions ...
... solutions were prepared by dissolving 2 grm . portions of the ignited oxides in a slight excess of nitric acid and diluting the solution to a volume of about IO CC . The absorbing layer was 10 cm . long . The less soluble fractions ...
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