MECHANISM OF ION-EXCHANGE IN ZIRCONIUM-PHOSPHATES .26. IRREVERSIBLE EXCHANGE OF ALKALINE-EARTH CATIONS

被引:17
作者
CLEARFIELD, A
DJURIC, Z
机构
[1] Department of Chemistry, Texas A and M University, College Station
来源
JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY | 1979年 / 41卷 / 06期
关键词
D O I
10.1016/0022-1902(79)80285-7
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Ion exchange of alkali metal cations and Cu2+ with α-zirconium phosphate has been found to be irreversible. This is attributed to strong site binding. The cations are coordinated by water molecules and negative lattice oxygens in a stable arrangement. Site binding is also suggested as an explanation for the failure to produce fully exchanged alkali metal cation phases when α-zirconium phosphate is titrated with mixed metal chloride-metal hydroxide solutions. © 1979.
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页码:885 / 887
页数:3
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