Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 1
... obtained it by submitting saturated solu- tions of boric acid and of borax to the action of an induc- tion spark . He describes it as consisting of three strong lines , of wave - lengths 34503 , 2497'0 , and 2496.2 . Rowland in his New ...
... obtained it by submitting saturated solu- tions of boric acid and of borax to the action of an induc- tion spark . He describes it as consisting of three strong lines , of wave - lengths 34503 , 2497'0 , and 2496.2 . Rowland in his New ...
Strona 3
... obtaining sound castings ; and blowholes would cause too low a value for the density to be obtained . The aluminium used in the determinations of the density and coefficient of linear expansion , described below , was obtained from ( 1 ) ...
... obtaining sound castings ; and blowholes would cause too low a value for the density to be obtained . The aluminium used in the determinations of the density and coefficient of linear expansion , described below , was obtained from ( 1 ) ...
Strona 7
... obtain a solution from which to isolate organic compounds . These were the treatment with dilute alkali as in previous work and treatment with boiling 95 per cent alcohol . In several cases the same compounds were obtained by both ...
... obtain a solution from which to isolate organic compounds . These were the treatment with dilute alkali as in previous work and treatment with boiling 95 per cent alcohol . In several cases the same compounds were obtained by both ...
Strona 9
... obtained which ex- hibited any trace of optical activity . In a recent communication ( Trans . , 1911 , xcix . , 45 ) the authors have described the resolution into their optically active components of the members of the series of ...
... obtained which ex- hibited any trace of optical activity . In a recent communication ( Trans . , 1911 , xcix . , 45 ) the authors have described the resolution into their optically active components of the members of the series of ...
Strona 17
... obtained by extraction with dilute alkali is acidified , a brown or black flocculent precipitate of the so - called humus bodies is formed . If this precipitate is separated by filtration , washed , and treated while still moist with ...
... obtained by extraction with dilute alkali is acidified , a brown or black flocculent precipitate of the so - called humus bodies is formed . If this precipitate is separated by filtration , washed , and treated while still moist with ...
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