Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
Z wnętrza książki
Wyniki 1 - 3 z 76
Strona 262
... present to an amount greater than 3.5 × 10-7 of the Cs metal from the pollucite ore . With the lepidolite Cs [ all the alkalis are together in this ore , thus : K 10 to 12 % ; Na 1 to 3 % ; Li 1 to 2 % ; Rb 0.5 to 1 % ; Cs 0.2 to 3 ...
... present to an amount greater than 3.5 × 10-7 of the Cs metal from the pollucite ore . With the lepidolite Cs [ all the alkalis are together in this ore , thus : K 10 to 12 % ; Na 1 to 3 % ; Li 1 to 2 % ; Rb 0.5 to 1 % ; Cs 0.2 to 3 ...
Strona 188
... present alone , but stimulates corrosion if sulphuric acid also is present . The ferric oxide film usually present on iron is rapidly destroyed by dilute sulphuric acid owing to the formation of the circuit iron - acid - oxide ; the ...
... present alone , but stimulates corrosion if sulphuric acid also is present . The ferric oxide film usually present on iron is rapidly destroyed by dilute sulphuric acid owing to the formation of the circuit iron - acid - oxide ; the ...
Strona 386
... present in 1 cc . of the prepared solution is 30 mg . 3. If ferrocyanide is present , a preci- pitate of ferrocyanic acid forms when the solution is heated to dissolve the boric acid . The precipitate is objectionable since it gives a ...
... present in 1 cc . of the prepared solution is 30 mg . 3. If ferrocyanide is present , a preci- pitate of ferrocyanic acid forms when the solution is heated to dissolve the boric acid . The precipitate is objectionable since it gives a ...
Spis treści
THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
Nie pokazano 50 innych sekcji
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acetic acid acid alloys amount application Association atoms B.Sc benzene Bergen op Zoom British British Columbia c/o Chemical Canada Canadian carbon cent Chemical Industries chemiluminescence chemist chemistry chloride coal Company complete compounds copper cyanide D.Sc deposits diphtheria Double Price effect electrical electrons elements Engineers ether experiments exports Farbenindustrie Akt.-Ges fertilisers fuel gases give glass gold heat hydrogen Imperial Chemical Industries important increase Institute investigation January laboratory Lecture liquid London manufacture material ment MERTON HOUSE metal method methyl mineral Mines molecules nitrogen Notices of Societies obtained Old Queen Street output oxide paper particles Patents phenyl physical plant potassium present Price production Prof properties proton Published radiation radium recent Royal Salisbury Square salt Science scientific sodium solution South Africa steel substances sulphur temperature tion tons Trade Marks treatment ture vapour X-ray zinc