Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 1
... excess of hydrogen in a glass or copper vessel . The boron is thrown off in fine powder on to the walls of the vessel or agglomerates on the ends of the electrodes , where it grows in form of small rods . After a while the arc runs ...
... excess of hydrogen in a glass or copper vessel . The boron is thrown off in fine powder on to the walls of the vessel or agglomerates on the ends of the electrodes , where it grows in form of small rods . After a while the arc runs ...
Strona 6
... excess of their own by - products . The soil organic matter impregnated with the soil solution is then the culture medium in which soil micro - organisms have to grow and contains also the products of their growth . Bacteria , the ...
... excess of their own by - products . The soil organic matter impregnated with the soil solution is then the culture medium in which soil micro - organisms have to grow and contains also the products of their growth . Bacteria , the ...
Strona 8
... excess of the halogen an unstable perbromide is produced , which on monobromo - derivative along with a scarlet dibromo - com- boiling with alcohol decomposes to yield the same yellow " pound , C25H1802N2Br2 . With fuming nitric acid ...
... excess of the halogen an unstable perbromide is produced , which on monobromo - derivative along with a scarlet dibromo - com- boiling with alcohol decomposes to yield the same yellow " pound , C25H1802N2Br2 . With fuming nitric acid ...
Strona 9
... excess of pure ethyl alcohol at 100 ° in sealed tubes for given periods , and titrating the amount of free acid left . The results show that an aß - olefine linking has a re- tarding effect , except when the unsaturated acid is a very ...
... excess of pure ethyl alcohol at 100 ° in sealed tubes for given periods , and titrating the amount of free acid left . The results show that an aß - olefine linking has a re- tarding effect , except when the unsaturated acid is a very ...
Strona 12
... excess of liquid bismuth , and causes a lowering of the melting - point when it dissolves ; the maximum is reached with a melt of composition Na3 Bi + 5Bi . The author has applied the same method to many other elements which have a ...
... excess of liquid bismuth , and causes a lowering of the melting - point when it dissolves ; the maximum is reached with a melt of composition Na3 Bi + 5Bi . The author has applied the same method to many other elements which have a ...
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