| 偶氮氯膦-mA光度法测定合金中微量铋 |
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| 引用本文： | 汪学明.偶氮氯膦-mA光度法测定合金中微量铋[J].贵州工业大学学报(自然科学版),1992(2). |
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| 作者姓名： | 汪学明 |
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| 作者单位： | 贵州工学院化工系 |
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| 摘 要： | 本文研究了显色剂偶氮氯膦—mA在强酸性环境中与铋(Ⅲ)的显色反应。在掩蔽剂存在下,该显色反应有较好的选择性。利用本法可以直接测定合金中微量的铋,方法简便,结果准确。
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| 关 键 词： | 分光光度法 偶氮氯膦 共沉淀 合金分析 铋 |
THE CPA-mA SPECTROPHOTOMETRIC DETERMINATION OF BISMUTH IN ALLOYS |
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| Wang Xueming.THE CPA-mA SPECTROPHOTOMETRIC DETERMINATION OF BISMUTH IN ALLOYS[J].Journal of Guizhou University of Technology(Natural Science Edition),1992(2). |
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| Authors: | Wang Xueming |
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| Abstract: | The colour reaction of CPA-mA and bismuth in strong acidity enviornment is studied. In the presence of sheltering agent, the colour rection possesses better selectivity. Therefore, the direct determination of trace bismuth in alloys can be achived by using this method. |
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| Keywords: | spectrophotometry CPA alloy analysis bismuth |
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