Phase equilibria in the ternary system Nd2O3-K2O-P2O5.: The partial system NdPO4-KPO3-Nd(PO3)3

被引：0

作者：

Znamierowska, T ^{[1
]}

Mizer, D ^{[1
]}

机构：

[1] Wroclaw Univ Econ, Dept Inorgan Chem, Fac Engn & Econ, PL-53345 Wroclaw, Poland

来源：

POLISH JOURNAL OF CHEMISTRY | 2004年 / 78卷 / 02期

关键词：

phase diagram; DTA; TG; DTG; X-ray; neodymium-potassium phosphates;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In the ternary system M2O3-K2O-P2O5 a partial system NdPO4-KPO3-Nd(PO3)(3) was investigated by thermoanalytical methods, X-ray powder diffraction and microscopy in reflected light and its phase diagram was proposed. In the system a double metaphosphate KNd(PO3)(4) appears. The compound forms in a side system Nd(PO3)(3)-KPO3. It has been established that the KNd(PO3)(4) and NdPO4 form a section, which is a real system only in the subsolidus region. It is found, that a ternary peritectic (tp similar to 885degreesC) and a ternary eutectic (t(E) similar to 688degreesC) occur in the partial system NdPO4-KPO3-Nd(PO3)(3).

引用

页码：195 / 200

页数：6

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