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球形氢氧化镍表面金属镍含量的测定

Journal of Henan Normal University(Natural Science Edition)(2011)

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Abstract
研究了用标准加入法测定球形氢氧化镍表面包覆或还原为单质镍含量的一种新方法.实验表明,样品的溶解步骤是整个分析过程的关键,样品溶解时酸的用量,紫脲酸铵的用量以及温度对分析结果有较大影响.该方法所用试剂简单,操作简便,准确度高,结果可靠.标准偏差≤0.23%(n=8),相对标准偏差≤3.52%(n-8).
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Key words
surface costing,nickel content,nickel hydroxide
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