Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 2
... material made similarly by the Du- Pont Co. , were used . These melts distilled around 345 ° C. at a pressure of 35 mm . and yielded a product which on a single crystal- lisation from alcohol appeared in very pale yellow , odourless ...
... material made similarly by the Du- Pont Co. , were used . These melts distilled around 345 ° C. at a pressure of 35 mm . and yielded a product which on a single crystal- lisation from alcohol appeared in very pale yellow , odourless ...
Strona 3
... material , the dry weight of which was less than 1 g . was ob- tained . The mass appeared to have charred to a large extent and the yield was too small to proceed further with . It was not dehy- drothiotoluidin or the nitro compound ...
... material , the dry weight of which was less than 1 g . was ob- tained . The mass appeared to have charred to a large extent and the yield was too small to proceed further with . It was not dehy- drothiotoluidin or the nitro compound ...
Strona 14
... material such as a monel metal filter cloth . The cyanide is ground , moistened , and placed in a layer upon the sheet Carbon dioxide is supplied from cvlinder through a meter , and passes through the charge downwardly . The gases issue ...
... material such as a monel metal filter cloth . The cyanide is ground , moistened , and placed in a layer upon the sheet Carbon dioxide is supplied from cvlinder through a meter , and passes through the charge downwardly . The gases issue ...
Strona 20
... material soluble in toluene , but in- soluble in sodium carboniate and hydroxide , were formed . The experiment was repeated , using the benzal - dehydrothiotoluidin instead of the two substances individually , but after 24 hours ...
... material soluble in toluene , but in- soluble in sodium carboniate and hydroxide , were formed . The experiment was repeated , using the benzal - dehydrothiotoluidin instead of the two substances individually , but after 24 hours ...
Strona 50
... material differ- ence to the public served whether the capi talisation of the serving company were fifty million dollars or one hundred million dol- lars or one hundred and fifty millions , until such time as the public began to demand ...
... material differ- ence to the public served whether the capi talisation of the serving company were fifty million dollars or one hundred million dol- lars or one hundred and fifty millions , until such time as the public began to demand ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acid action added amount ANALYTICAL BALANCE appears application atoms British carbon carried cent Chem Chemical Chemistry chloride colloidal colour complete compounds considerable containing Continued course crystals described determined direct effect elements Engineers experiments fact further give given glucose heat important increase industry Institute interest iron LABORATORY lead less light liquid London manufacture March material matter means meeting ment metal method nature observed obtained organic oxide passed Patents plant position possible potassium practically precipitate prepared present Price Prof published pure quantities reaction referred regard salt Science separation shown Society sodium solution specific steel structure substance sulphuric temperature tion Trade tube University various volume weight