VAPORIZATION IN THE SYSTEM CAO-P2O5-SIO2

被引：0
|
作者：
LOPATIN, SI [1 ]
机构：
[1] ST PETERSBURG STATE UNIV,ST PETERSBURG,RUSSIA
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 1994年 / 67卷 / 03期
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D O I：
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中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Vaporization in the system CaO-P2O5-SiO2 has been investigated over a wide range of compositions and temperatures by high-temperature mass spectrometry. It has been established that silicon dioxide added to calcium meta-, poly-, and diphosphate leads to a decrease in partial pressures of the products of dissociation, whereas when added to orthophosphate it increases these pressures. Thermodynamic calculations for the reactions of thermal dissociation of calcium phosphates mixture with silica have been made.
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页码：316 / 319
页数：4
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