Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 9
... contain more iron or are more highly oxidised than the matrix . Assuming that the iron content of such rocks is introduced ... containing a volatile phase , water , and its development in- volves metamorphic diffusion and differentiation ...
... contain more iron or are more highly oxidised than the matrix . Assuming that the iron content of such rocks is introduced ... containing a volatile phase , water , and its development in- volves metamorphic diffusion and differentiation ...
Strona 13
... containing equivalents of benzidine hydrochloride and stannic chloride gives crystals on evaporation con- to one of base a deposit containing only about 10 per cent of tin is obtained . In the presence of a considerable excess of SnCl4 ...
... containing equivalents of benzidine hydrochloride and stannic chloride gives crystals on evaporation con- to one of base a deposit containing only about 10 per cent of tin is obtained . In the presence of a considerable excess of SnCl4 ...
Strona 24
... contain the following acids : -Sulphite , oxalate , fluoride , borate , tartrate , arsenite , arsenate , and ... containing the borate and tartrate is divided into two portions . The former is tested for by means of an alcoholic ...
... contain the following acids : -Sulphite , oxalate , fluoride , borate , tartrate , arsenite , arsenate , and ... containing the borate and tartrate is divided into two portions . The former is tested for by means of an alcoholic ...
Strona 25
... contain SO3 , BO3 ( 8 ) , C4H4O6 ( 9 ) , C2O4 , F , AsO3 ( 10 ) , AsO4 ( 11 ) , PO4 , Ca , Ba , and an excess HCl . Add 20 cc . 3 per cent H2O2 ( 12 ) . Boil the mixture vigorously until all the H2O2 has been decomposed , and filter ...
... contain SO3 , BO3 ( 8 ) , C4H4O6 ( 9 ) , C2O4 , F , AsO3 ( 10 ) , AsO4 ( 11 ) , PO4 , Ca , Ba , and an excess HCl . Add 20 cc . 3 per cent H2O2 ( 12 ) . Boil the mixture vigorously until all the H2O2 has been decomposed , and filter ...
Strona 26
... contain 81 per cent Na2SO3 and 18 per cent Na2SO4 ; hence a modified procedure was necessary to obtain the limit of sensitiveness for BaSO3 . Separate solutions , each containing 1 , 2 , and 3 mgrms . SO3 2N.BaCl2 in a total volume of ...
... contain 81 per cent Na2SO3 and 18 per cent Na2SO4 ; hence a modified procedure was necessary to obtain the limit of sensitiveness for BaSO3 . Separate solutions , each containing 1 , 2 , and 3 mgrms . SO3 2N.BaCl2 in a total volume of ...
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