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Abstract:
<正> 以过硫酸盐氧化偶氮类试剂催化动力学法测定银,多数线性范围较窄、选择性欠佳。本文建立了以偶氮荧光桃红作指示物质、α,α′-联吡啶作活化剂的催化光度法,测定痕量银检出限为1.0×10~(-4)μg/mL,线性范围2.0×10~(-4)~4.0×10~(-2)μg/mL,灵敏度高,选择性好。用于测定鄂铜矿中银,结果满意。采用自装的微机动力学数据处理系统,测试简便、准确。
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高等学校化学学报
ISSN: 0251-0790
CN: 22-1131/O6
Year: 1991
Issue: 04
Page: 462-463
0 . 7 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 5
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