去除氯铱酸溶液中微量钾的工艺探讨

Guangdong Chemical Industry(2008)

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Abstract
氯铱酸溶液中钾的含量过高是影响铱涂层质量的主要因素之一。采用氯铱酸钾结晶法、氯铱酸铵沉淀法和离子交换法相结合的方法,建立了去除氯铱酸溶液中微量钾的工艺流程。结果表明,采用本工艺流程处理含钾氯铱酸溶液,钾含量从240 mg/L下降到48.8 mg/L,铱的回收率为99.78%。
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Key words
process,dihydrogen hexachloroiridate(IV),separation for potassium,ion exchange
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