Chemical News and Journal of Industrial Science, Tomy 127-128Chemical news office., 1923 |
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Strona 59
... addition of 6 per cent . hydrogen chlor- ide and to 0.6 mg . per 100 cc . by the fur- ther addition of 0.5 per cent . of 70 per cent . perchloric acid . The reason for this latter decrease is not evident . More than 0.5 per cent . of ...
... addition of 6 per cent . hydrogen chlor- ide and to 0.6 mg . per 100 cc . by the fur- ther addition of 0.5 per cent . of 70 per cent . perchloric acid . The reason for this latter decrease is not evident . More than 0.5 per cent . of ...
Strona 60
... addition of sulphuric acid the evaporation was continued to dry- ness . The lithium sulphate was then dis- solved in a little water , washed into a weighed platinum crucible , covered and heated over a ring burner to remove excess of ...
... addition of sulphuric acid the evaporation was continued to dry- ness . The lithium sulphate was then dis- solved in a little water , washed into a weighed platinum crucible , covered and heated over a ring burner to remove excess of ...
Strona 62
... addition of an alcoholic solution of hydrogen chloride . 2. Conditions affecting the accuracy of the process were studied and the panying errors eliminated . accom- 3. The solubilities of the anhydrous per- chlorates and chlorides of ...
... addition of an alcoholic solution of hydrogen chloride . 2. Conditions affecting the accuracy of the process were studied and the panying errors eliminated . accom- 3. The solubilities of the anhydrous per- chlorates and chlorides of ...
Strona 74
... addition to the decom- In order position products of the rubber . to study this reaction , it became evident at once that the reaction would have to be more carefully controlled , and further that 157 . Harries , Ann . , 1911 ...
... addition to the decom- In order position products of the rubber . to study this reaction , it became evident at once that the reaction would have to be more carefully controlled , and further that 157 . Harries , Ann . , 1911 ...
Strona 104
... addition to confirming more rigorously many con- clusions already reached , he proved that mesothorium 2 was non - separable from actinium , the three B - members from lead , like radium D , and the three C - members and radium E from ...
... addition to confirming more rigorously many con- clusions already reached , he proved that mesothorium 2 was non - separable from actinium , the three B - members from lead , like radium D , and the three C - members and radium E from ...
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