Chemical News and Journal of Industrial Science, Tomy 105-106Chemical 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 8
... excess of the halogen an unstable perbromide is produced , which on boiling with alcohol decomposes to yield the same yellow monobromo - derivative along with a scarlet dibromo - com- pound , C25H1802N2Br2 . With fuming nitric acid the ...
... excess of the halogen an unstable perbromide is produced , which on boiling with alcohol decomposes to yield the same yellow monobromo - derivative along with a scarlet dibromo - com- pound , C25H1802N2Br2 . With fuming nitric acid the ...
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 ...
Strona 14
... excess of mercury poured in . When the temperature is as desired , the excess of mercury is sucked out with a filter- pump through the tube D. Thus the right quantity of mercury is obtained corresponding to the required tem- perature ...
... excess of mercury poured in . When the temperature is as desired , the excess of mercury is sucked out with a filter- pump through the tube D. Thus the right quantity of mercury is obtained corresponding to the required tem- perature ...
Strona 15
... excess of alkali or to let the mixture stand temperature , rotating it occasionally . Titrate the excess longer . Shaken in a stoppered flask with the iodine solu- of iodine with N / 10 sodium thiosulphate solution . Each tion , the ...
... excess of alkali or to let the mixture stand temperature , rotating it occasionally . Titrate the excess longer . Shaken in a stoppered flask with the iodine solu- of iodine with N / 10 sodium thiosulphate solution . Each tion , the ...
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