Chemical News and Journal of Physical Science, Tom 117Chemical news office., 1918 |
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... CHEMICAL APPARATUS AND REAGENTS . Pure Chemicals for Researoh Work . A. BOAKE , ROBERTS , & CO . ( LIMITED ) , JOHN J. GRIFFIN & SONS , LTD . , Stratford , London , E. KINGSWAY , LONDON W.C FAT W & R GENUINE FREE ON LTD WHAT MAN.
... CHEMICAL APPARATUS AND REAGENTS . Pure Chemicals for Researoh Work . A. BOAKE , ROBERTS , & CO . ( LIMITED ) , JOHN J. GRIFFIN & SONS , LTD . , Stratford , London , E. KINGSWAY , LONDON W.C FAT W & R GENUINE FREE ON LTD WHAT MAN.
Strona 6
... pure ; benzol , 100 per cent ; benzol , 90 per cent ; benzol , 50 per cent ; benzol , straw colour ; toluol , pure ; toluol , commercial ; toluol , straw colour ; xylol , pure ; xylol , commercial ; solvent naphtha ; crude solvent ...
... pure ; benzol , 100 per cent ; benzol , 90 per cent ; benzol , 50 per cent ; benzol , straw colour ; toluol , pure ; toluol , commercial ; toluol , straw colour ; xylol , pure ; xylol , commercial ; solvent naphtha ; crude solvent ...
Strona 12
... PURE CULTURE SECTION . - All kinds of Research Work . Pure Cultures : Brewers ' , Distillers ' , Air , Vienna , Wine Yeast , & c ; Lactic and Acetic Ferments , Starters , ( for Dairies , & c . ) , Methods and Cultures for Manufacture of ...
... PURE CULTURE SECTION . - All kinds of Research Work . Pure Cultures : Brewers ' , Distillers ' , Air , Vienna , Wine Yeast , & c ; Lactic and Acetic Ferments , Starters , ( for Dairies , & c . ) , Methods and Cultures for Manufacture of ...
Strona 18
... pure solvent . Let'r be the thickness of this layer . Then g the deficiency of solute per sq . cm . of surface is- or by ( 1 ) - TC q = 1000 = 1000 dy RT dc T = 1000 I с T ( 31 ) . We can thus calculate the thickness of a single layer ...
... pure solvent . Let'r be the thickness of this layer . Then g the deficiency of solute per sq . cm . of surface is- or by ( 1 ) - TC q = 1000 = 1000 dy RT dc T = 1000 I с T ( 31 ) . We can thus calculate the thickness of a single layer ...
Strona 23
... Pure magnesia fuses at about 2400 ° , but the magnesia used for making bricks is never pure ; it contains varying proportions of oxide of iron which colours it brown , and also some silica and alumina . All these impurities increase its ...
... Pure magnesia fuses at about 2400 ° , but the magnesia used for making bricks is never pure ; it contains varying proportions of oxide of iron which colours it brown , and also some silica and alumina . All these impurities increase its ...
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