Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 3
... sulphide of arsenic , and the tube washed with a few drops of water , two or three times , adding the washings to the solution containing the sulphide of arsenic ; neutralise with hydrochloric acid , and if the quantity of precipitate ...
... sulphide of arsenic , and the tube washed with a few drops of water , two or three times , adding the washings to the solution containing the sulphide of arsenic ; neutralise with hydrochloric acid , and if the quantity of precipitate ...
Strona 100
... sulphide of sodium transforms the sulphite of lead into sulphide of lead and gives sulphite of sodium ; on contact with the caustic soda and the carbonate of soda , the sulphide of lead gives rise to the formation of sulphate of sodium ...
... sulphide of sodium transforms the sulphite of lead into sulphide of lead and gives sulphite of sodium ; on contact with the caustic soda and the carbonate of soda , the sulphide of lead gives rise to the formation of sulphate of sodium ...
Strona 247
... sulphides , due to the possible re- ducing effect of hydrogen sulphide on ferric salts , is pro- bably negligible . Most of the hydrogen sulphide would be expelled before any such action could take place , and probably before the ferric ...
... sulphides , due to the possible re- ducing effect of hydrogen sulphide on ferric salts , is pro- bably negligible . Most of the hydrogen sulphide would be expelled before any such action could take place , and probably before the ferric ...
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