Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
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Strona 311
... nitric acid , free from the lower oxides of nitrogen , * sp . gr . 131 , are added , and the mixture is distilled to one - third . 170 c.c. of wood spirit and 130 of nitric acid are then added and distilled to the same point . Finally ...
... nitric acid , free from the lower oxides of nitrogen , * sp . gr . 131 , are added , and the mixture is distilled to one - third . 170 c.c. of wood spirit and 130 of nitric acid are then added and distilled to the same point . Finally ...
Strona 100
... nitric acid , although these processes are still preferable to those in which the separation of the phosphoric acid is effected in the presence of alkaline liquids . To overcome this difficulty , I thought of utilising the ready ...
... nitric acid , although these processes are still preferable to those in which the separation of the phosphoric acid is effected in the presence of alkaline liquids . To overcome this difficulty , I thought of utilising the ready ...
Strona 157
... nitric acid in contact with metallic chromium or hydrated chromic oxide , and moderately heating the residue . Some , like Berzelius , † have thought that they obtained in this way a definite oxide of chromium , intermediate between ...
... nitric acid in contact with metallic chromium or hydrated chromic oxide , and moderately heating the residue . Some , like Berzelius , † have thought that they obtained in this way a definite oxide of chromium , intermediate between ...
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