Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 1
... concentrated solution of sodium ethylate for three hours , but failed to get any test for halogens upon acidifying and adding silver nitrate . Bacon states in his article that he was unable to convert monobrombenzol into phenetol by ...
... concentrated solution of sodium ethylate for three hours , but failed to get any test for halogens upon acidifying and adding silver nitrate . Bacon states in his article that he was unable to convert monobrombenzol into phenetol by ...
Strona 17
... concentrated from the barium by chemical methods . By fractional crystallisation of the chlorides , the mesothorium remains with the radium , and can thus be separated from the barium . The proportion between mesothorium and radium is ...
... concentrated from the barium by chemical methods . By fractional crystallisation of the chlorides , the mesothorium remains with the radium , and can thus be separated from the barium . The proportion between mesothorium and radium is ...
Strona 42
... , when converted into a concentrated solution of the nitrate , it showed no absorption bands through a layer of about 5 cm . It will be seen that the lines ( EE ' 42 CHEMICAL NEWS , Jan. 27 , 1911 Basic Nitrate of Yitrium .
... , when converted into a concentrated solution of the nitrate , it showed no absorption bands through a layer of about 5 cm . It will be seen that the lines ( EE ' 42 CHEMICAL NEWS , Jan. 27 , 1911 Basic Nitrate of Yitrium .
Strona 45
... concentrated acetic acid and 25 cc . water , dilutes 100 cm . water , and titrates . If Sb or Bi are present then the lead sulphate is first of all treated with 10 cc . H2SO ( 1 : 1 ) and 2 grms . of Rochelle salts , add 40 cc . water ...
... concentrated acetic acid and 25 cc . water , dilutes 100 cm . water , and titrates . If Sb or Bi are present then the lead sulphate is first of all treated with 10 cc . H2SO ( 1 : 1 ) and 2 grms . of Rochelle salts , add 40 cc . water ...
Strona 54
... concentrated sulphuric acid , and heated until all hydrofluoric acid was expelled . Water was added , and the solution made alkaline with ammonia , filtered , the precipitate washed , ignited , and weighed . After heating over a blast ...
... concentrated sulphuric acid , and heated until all hydrofluoric acid was expelled . Water was added , and the solution made alkaline with ammonia , filtered , the precipitate washed , ignited , and weighed . After heating over a blast ...
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