Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 18
... mixture can be collected below f , either before or after the collection of emanation mination of the atomic weights of the fractions were per- 18 CHEMICAL NEWS July 11 , 1919 Chemical Action produced by Radium Emanation .
... mixture can be collected below f , either before or after the collection of emanation mination of the atomic weights of the fractions were per- 18 CHEMICAL NEWS July 11 , 1919 Chemical Action produced by Radium Emanation .
Strona 19
... mixture it could be melted in a very thin layer at two or three spots on the inner wall without deformation of the bulb or materially affecting the spherical volume . The volume was determined by cali- bration with mercury after the mixture ...
... mixture it could be melted in a very thin layer at two or three spots on the inner wall without deformation of the bulb or materially affecting the spherical volume . The volume was determined by cali- bration with mercury after the mixture ...
Strona 24
... mixture . The filtrate is made slightly acid with acetic acid and then slightly alkaline with NaOH . Advantage is now taken of the fact that the acids of Group I. may be precipitated in a slightly alkaline solu tion with a mixture of ...
... mixture . The filtrate is made slightly acid with acetic acid and then slightly alkaline with NaOH . Advantage is now taken of the fact that the acids of Group I. may be precipitated in a slightly alkaline solu tion with a mixture of ...
Strona 24
... mixture of BaCl2 and CaCl2 will precipitate I mgrm . each of CrO4 , SO4 , SO3 , C2O4 , F , and PO4 . The least amount of the other radicals precipitated by the same reagents in a volume of 25 cc . are : —8 mgrms . AsO3 , 3 mgrms . AsO4 ...
... mixture of BaCl2 and CaCl2 will precipitate I mgrm . each of CrO4 , SO4 , SO3 , C2O4 , F , and PO4 . The least amount of the other radicals precipitated by the same reagents in a volume of 25 cc . are : —8 mgrms . AsO3 , 3 mgrms . AsO4 ...
Strona 25
... mixture vigorously until all the H2O2 has been decomposed , and filter . BaSO4 and S. is Filtrate may contain BO3 , C4H4O6 , C2O4 , F , AsO4 , PO4 , Ca , Ba , and an excess HCl . Add 2N ( NH4 ) 2SO4 ( 13 ) drop by drop until pre ...
... mixture vigorously until all the H2O2 has been decomposed , and filter . BaSO4 and S. is Filtrate may contain BO3 , C4H4O6 , C2O4 , F , AsO4 , PO4 , Ca , Ba , and an excess HCl . Add 2N ( NH4 ) 2SO4 ( 13 ) drop by drop until pre ...
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