Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 231
... known as masurium ( 43 ) and rhenium ( 75 ) , fall properly into Group VII , as is well known . The point to be made here is that the above elements which are of Group VII- with one a partial exception as just men- tioned exist in small ...
... known as masurium ( 43 ) and rhenium ( 75 ) , fall properly into Group VII , as is well known . The point to be made here is that the above elements which are of Group VII- with one a partial exception as just men- tioned exist in small ...
Strona 101
... known products in the form of phenol , salicylic acid , vanillin and saccharine . Their phenol products include carbolic acid , ice crystals 40-41 ° C . , Carbolic acid de- tached crystals 41 ° C. , and carbolic acid liquefied crystals ...
... known products in the form of phenol , salicylic acid , vanillin and saccharine . Their phenol products include carbolic acid , ice crystals 40-41 ° C . , Carbolic acid de- tached crystals 41 ° C. , and carbolic acid liquefied crystals ...
Strona 134
... known , such as sulphur trioxido , oleum of strengths of 20 , 40 , 60 and 80 per cent . , concentrated sulphuric acid , battery acid , hydrochloric acid and chemically pure nitric acid . MESSRS . THOMAS TYRER & CO . LTD . Stand N. A.184 ...
... known , such as sulphur trioxido , oleum of strengths of 20 , 40 , 60 and 80 per cent . , concentrated sulphuric acid , battery acid , hydrochloric acid and chemically pure nitric acid . MESSRS . THOMAS TYRER & CO . LTD . Stand N. A.184 ...
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THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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