THE SOLUBILITY OF THE RARE-EARTH-METAL PHOSPHATES IN SEA-WATER

被引：26
|
作者：
FIRSCHING, FH
KELL, JC
机构：
[1] School of Sciences, Southern Illinois University at Edwardsville, Edwardsville
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1993年 / 38卷 / 01期
关键词：
Phosphates - Rare earth compounds - Solubility;
D O I：
10.1021/je00009a032
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility and activity products of 14 rare-earth-metal phosphates in sea water have been determined at 25 +/- 1-degrees-C. The most soluble is yttrium phosphate (pK(s) = 25.60), and the least soluble is lanthanum phosphate (pK(s) = 27.92). Saturated solutions were analyzed for total phosphate concentration and total acidity. Activity products were calculated from the experimental data.
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页码：132 / 133
页数：2
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