Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 3
... give the Ph.D. degree in chemistry to candidates working through an " Arbeit " which represents crudely so many new compounds ? The answer is that as a result of long experience the German chemical authorities have decided that this ...
... give the Ph.D. degree in chemistry to candidates working through an " Arbeit " which represents crudely so many new compounds ? The answer is that as a result of long experience the German chemical authorities have decided that this ...
Strona 10
... give practically the same results . The former was used in Experiments I and 2 , the latter in Nos . 3 , 4 , and 5 , and also in the experi- ments with chromic acid to be described later . In no case was the action of the solution on ...
... give practically the same results . The former was used in Experiments I and 2 , the latter in Nos . 3 , 4 , and 5 , and also in the experi- ments with chromic acid to be described later . In no case was the action of the solution on ...
Strona 11
... give results of tests against a whole series of metals is not clear . A set of tests against one metal would have been sufficient to fix the bismuth curve on the thermo - electric diagram , and all the other results could CHEMICAL ...
... give results of tests against a whole series of metals is not clear . A set of tests against one metal would have been sufficient to fix the bismuth curve on the thermo - electric diagram , and all the other results could CHEMICAL ...
Strona 20
... give a brown precipitate with hydro- gen sulphide , even after standing over night . Again , a mixture of stannous sulphate with a small amount of ferric sulphate , strongly acidified with sulphuric acid and coloured red by thiocyanate ...
... give a brown precipitate with hydro- gen sulphide , even after standing over night . Again , a mixture of stannous sulphate with a small amount of ferric sulphate , strongly acidified with sulphuric acid and coloured red by thiocyanate ...
Strona 22
... give accurate tests of firebrick materials . He hoped that if comparative tests had been made on the standard bricks they would be published . The recent re- gulation fixing a maximum price for firebricks militated against the good ...
... give accurate tests of firebrick materials . He hoped that if comparative tests had been made on the standard bricks they would be published . The recent re- gulation fixing a maximum price for firebricks militated against the good ...
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