Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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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 18
... pure solvent . Let r be the thickness of this layer . Then q the deficiency of solute per sq . cm . of surface is- or by ( 1 ) - TC 0 1000 1000 dy RT de T = 1000 ! C T ( 31 ) . We can thus calculate the thickness of a single layer of ...
... pure solvent . Let r be the thickness of this layer . Then q the deficiency of solute per sq . cm . of surface is- or by ( 1 ) - TC 0 1000 1000 dy RT de T = 1000 ! C T ( 31 ) . We can thus calculate the thickness of a single layer of ...
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 ...
Strona 32
... pure ortho and para compounds . perfection attained in the development of the chlorine industry , as based upon electrolytic methods , and the use of the halogen in the production of coal - tar inter- mediates . Hooker Electrochemical ...
... pure ortho and para compounds . perfection attained in the development of the chlorine industry , as based upon electrolytic methods , and the use of the halogen in the production of coal - tar inter- mediates . Hooker Electrochemical ...
Strona 48
... Pure Chemicals for Research Work . A. BOAKE , ROBERTS , & CO . ( LIMITED ) , JOHN J. CRIFFIN & SONS , LTD . , Stratford , London , E. KINGSWAY , LONDON , W.CI FREE FAT W & R.BA GENUINE STON LI WHAT MAN. CHEMICAL LIBRARY MA CHEMICAL ...
... Pure Chemicals for Research Work . A. BOAKE , ROBERTS , & CO . ( LIMITED ) , JOHN J. CRIFFIN & SONS , LTD . , Stratford , London , E. KINGSWAY , LONDON , W.CI FREE FAT W & R.BA GENUINE STON LI WHAT MAN. CHEMICAL LIBRARY MA CHEMICAL ...
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