Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 3
... standard boric - acid solutions , as well as blanks , were simultaneously employed . After four hours the colours on the strips of paper were compared , and the percentage of boric acid determined . In the case of soils , the boron ...
... standard boric - acid solutions , as well as blanks , were simultaneously employed . After four hours the colours on the strips of paper were compared , and the percentage of boric acid determined . In the case of soils , the boron ...
Strona 11
... standard metabolism under the influence after which their position shall be reconsidered . Of the 3221 notices issued to Fellows 1266 replies were returned , and of these 18 were ineffective . The opinions as recorded in the remaining ...
... standard metabolism under the influence after which their position shall be reconsidered . Of the 3221 notices issued to Fellows 1266 replies were returned , and of these 18 were ineffective . The opinions as recorded in the remaining ...
Strona 12
... standard liquid . The authors have modified the method by working always at the temperature of the boiling - point , and have studied separately the effects of varying the following factors - concentration of acid , speed of attack ...
... standard liquid . The authors have modified the method by working always at the temperature of the boiling - point , and have studied separately the effects of varying the following factors - concentration of acid , speed of attack ...
Strona 15
... standard 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 ...
... standard 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 ...
Strona 16
... standard solution of pure samarium nitrate , the absorption spectrum of the solution being photographed after each addition of samarium . ( The samarium material was very kindly fur- nished by Prof. C. James , of New Hampshire College ) ...
... standard solution of pure samarium nitrate , the absorption spectrum of the solution being photographed after each addition of samarium . ( The samarium material was very kindly fur- nished by Prof. C. James , of New Hampshire College ) ...
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