Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 8
... concentrated hydrochloric acid at 130-140 ° forms diphenylmaleic anhydride : - CO CPh : CPh O - CO 5 - Dimethylaminoanilo - 3 4 - diphenylcyclopentene - 1 : 2- dione when treated with bromine gives a yellow bromo- derivative ...
... concentrated hydrochloric acid at 130-140 ° forms diphenylmaleic anhydride : - CO CPh : CPh O - CO 5 - Dimethylaminoanilo - 3 4 - diphenylcyclopentene - 1 : 2- dione when treated with bromine gives a yellow bromo- derivative ...
Strona 38
... concentrated sulphuric acid , hydrochloric acid gas escapes , and the chloride is transformed into the corresponding sulphate . At one time this was explained as due to the greater strength of sulphuric acid , but we cannot offer this ...
... concentrated sulphuric acid , hydrochloric acid gas escapes , and the chloride is transformed into the corresponding sulphate . At one time this was explained as due to the greater strength of sulphuric acid , but we cannot offer this ...
Strona 41
... the filtrate concentrated to a small volume . To this solu- tion three volumes of 95 per cent alcohol were added , when a gummy precipitate was formed , which , after washing with alcohol , dried to a hard translucent mass .
... the filtrate concentrated to a small volume . To this solu- tion three volumes of 95 per cent alcohol were added , when a gummy precipitate was formed , which , after washing with alcohol , dried to a hard translucent mass .
Strona 47
... concentrated at 100 ° it undergoes decomposition , according to the equation 12EuCl2 + 302-8EuĈl3 + 2Eu2O3 • No. 24 , December 11 , 1911 . Catalytic Preparation of Alcoholic Amines . - Paul Sabatier and A. Mailhe . The direct action of ...
... concentrated at 100 ° it undergoes decomposition , according to the equation 12EuCl2 + 302-8EuĈl3 + 2Eu2O3 • No. 24 , December 11 , 1911 . Catalytic Preparation of Alcoholic Amines . - Paul Sabatier and A. Mailhe . The direct action of ...
Strona 51
... concentrated nitric and sul- phuric acids . In other cases the nitric acid was made by distilling well dried potassium nitrate with concentrated sulphuric acid , as recommended by Moissan , .. 0'20 Lackawanna ( crude ) .. Lackawanna ...
... concentrated nitric and sul- phuric acids . In other cases the nitric acid was made by distilling well dried potassium nitrate with concentrated sulphuric acid , as recommended by Moissan , .. 0'20 Lackawanna ( crude ) .. Lackawanna ...
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