PREPARATION AND CHARACTERIZATION OF POTASSIUM COPPER NICKEL HEXACYANOFERRATE(II) AS AN ION-EXCHANGER FOR CESIUM

被引：10

作者：

ISHFAQ, MM ^{[1
]}

KARIM, HMA ^{[1
]}

KHAN, MA ^{[1
]}

机构：

[1] UNIV PUNJAB,INST CHEM,LAHORE 2,PAKISTAN

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 159卷 / 02期

关键词：

D O I：

10.1007/BF02040727

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Potassium copper nickel hexacyanoferrate(II) [KCNF] was prepared by treating potassium nickel hexacyanoferrate(II) with copper nitrate solution in 0.1M HNO3. The resulting material was dried at various temperatures. Chemical analysis, i.r., thermal decomposition and surface property measurements were used to characterize the material. The adsorption of cesium from aqueous solutions on KCNF was investigated and optimized as a function of equilibration time and pH. The material dried at 110-degrees-C was found to be fairly stable in dilute acids, salt solutions, high doses of gamma-radiation and at high temperature. It also showed better surface properties and a high value of ion exchange capacity (2.25 mmol.g-1) for cesium.

引用

页码：335 / 342

页数：8

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