REACTIONS OF POTASSIUM ALUMINOSILICATES WITH NITRIC ACID.

被引：0
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作者：
Sokolov, I.D.
Shemeryankina, G.V.
Gerzhberg, Yu.I.
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来源：
Journal of applied chemistry of the USSR | 1984年 / 57卷 / 5 pt 1期
关键词：
CHEMICAL REACTIONS - Decomposition - MINERALOGY - NITRIC ACID;
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摘要：
For determination of the sequence of decomposition processes of minerals in synnyrite from the energy standpoint, the authors carried out thermodynamic estimations of the probability of interaction of potassium aluminosilicates with nitric acid and studied the qualitative composition of the products formed in the process. The qualitative composition of the reaction products showed that the interaction of these minerals with nitric acid diminishes in the sequence calsilite-leucite-microcline, i. e. , with increase of their SiO//2 contents. It is also shown by chemical and x-ray structural analysis that the acid-resistant microcline component of synnyrite is decomposed and converted into calsilite during alkaline treatment.
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页码：901 / 904
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