Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 2
... yield to this treat- ment , " he is stating more than the facts warrant . I have tried this method on various columbites and tantalites , and have found that even when the pulverisation of the minerals was effected as he directs by ...
... yield to this treat- ment , " he is stating more than the facts warrant . I have tried this method on various columbites and tantalites , and have found that even when the pulverisation of the minerals was effected as he directs by ...
Strona 4
... yield nitride , cyanide , carbide , and , possibly , cyanamide . Excess of magnesium powder , as a rule , produces a larger yield of the nitride , possibly by union with the oxygen of the air leaving the nitrogen for the other metal ...
... yield nitride , cyanide , carbide , and , possibly , cyanamide . Excess of magnesium powder , as a rule , produces a larger yield of the nitride , possibly by union with the oxygen of the air leaving the nitrogen for the other metal ...
Strona 18
... yield a by the action of ordinary chloroform on potassium pyrrole , silicopyridine , that is , a pyridine ring including SiH instead of one CH group . potassium pyrrole , and the mass becomes dark brown or black , owing to the ...
... yield a by the action of ordinary chloroform on potassium pyrrole , silicopyridine , that is , a pyridine ring including SiH instead of one CH group . potassium pyrrole , and the mass becomes dark brown or black , owing to the ...
Strona 20
... yields , in the first In a previous paper the author has shown how the instance , B - imino - a - cyano - y ... yield quinol , and the band of quinol is indicated on the curves . To ascertain the absorption spectrum of pure p ...
... yields , in the first In a previous paper the author has shown how the instance , B - imino - a - cyano - y ... yield quinol , and the band of quinol is indicated on the curves . To ascertain the absorption spectrum of pure p ...
Strona 22
... yield of azo - 0- carboxyllic acids can be obtained by allowing primary aromatic amines to react with o - nitroso acids . Thus , o - nitrosobenzoic acid and p - chloraniline give p - chloro- benzene - azo - o - benzoic acid , the yield ...
... yield of azo - 0- carboxyllic acids can be obtained by allowing primary aromatic amines to react with o - nitroso acids . Thus , o - nitrosobenzoic acid and p - chloraniline give p - chloro- benzene - azo - o - benzoic acid , the yield ...
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