Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 13
... salt . The author has not published any details of the chemical properties of mesothorium I. , and the method of discovering and preparing it . A short time ago I received from a chemical works a " radium preparation " which I was to ...
... salt . The author has not published any details of the chemical properties of mesothorium I. , and the method of discovering and preparing it . A short time ago I received from a chemical works a " radium preparation " which I was to ...
Strona 31
... salt and borax on the top of a pot of yellow brass after it had been skimmed and immediately before pouring . The mixture was thrown on and then at once skimmed off without waiting for the borax even to stop swelling . He , too , would ...
... salt and borax on the top of a pot of yellow brass after it had been skimmed and immediately before pouring . The mixture was thrown on and then at once skimmed off without waiting for the borax even to stop swelling . He , too , would ...
Strona 32
... salt will answer , and a pure material is unnecessary . * CHEMICAL NEWS , Jan. 20 , 1911 Reduction of Tin. was to melt salt in a clay crucible and then drop in the weighed sample of copper . After allowing it to remain for a short time ...
... salt will answer , and a pure material is unnecessary . * CHEMICAL NEWS , Jan. 20 , 1911 Reduction of Tin. was to melt salt in a clay crucible and then drop in the weighed sample of copper . After allowing it to remain for a short time ...
Strona 52
... salt . This method , with various minor modifications , is still the one commonly used . The operations involved are tedious , and the results are only approximate . Judging by our own experience , the method requires some practice ...
... salt . This method , with various minor modifications , is still the one commonly used . The operations involved are tedious , and the results are only approximate . Judging by our own experience , the method requires some practice ...
Strona 67
... salt is more readily obtained from thioxanthenol with hydrogen chloride in ethereal solution , and , if excess of hydrochloric acid is moved , it is transformed into thioxanthenyl chloride , C6H4 < _ > C6H4 . Thioxanthenol is ...
... salt is more readily obtained from thioxanthenol with hydrogen chloride in ethereal solution , and , if excess of hydrochloric acid is moved , it is transformed into thioxanthenyl chloride , C6H4 < _ > C6H4 . Thioxanthenol is ...
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