Abstract:
在碱性介质和H_2O_2存在下金对香豆素的化学发光有催化作用。提出了香豆素—KOH—H_2O_2体系测定痕量金的新的化学发光分析法。方法的检测限为0.6 ppb Au;线性范围为1~800 ppb Au。采用EDTA为掩蔽剂,方法的选择性较高。结合聚胺酯泡沫塑料分离,用本法测定一些化探样品,结果较好。
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Source :
分析化学
ISSN: 0253-3820
CN: 22-1125/O6
Year: 1988
Issue: 12
Page: 1119-1121
1 . 2 0 0
JCR@2023
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30 Days PV: 1
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