| 巯基棉富集分离铜试剂─吐温─80—OP水相光度法测定水中微量铜 |
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| 引用本文： | 何斌. 巯基棉富集分离铜试剂─吐温─80—OP水相光度法测定水中微量铜[J]. 干旱环境监测, 1996, 0(2) |
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| 作者姓名： | 何斌 |
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| 作者单位： | 广西农业大学林学院 |
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| 摘 要： | 研究了在非离子表面活性剂吐温－８０和乳化剂ＯＰ存在下，于ｐＨ８．５缓冲介质中，铜（Ⅱ）与铜试剂显色反应条件。结果表明：配合物的最大吸收波长为４５３ｎｍ，表观摩尔吸光系数为１．５４×１０４Ｌ·ｍｏｌ－１．ｃｍ－１，铜（Ⅱ）含量在０～７０μｇ／２５ｍｌ范围内符合比耳定律。该法与巯基棉富集分离相结合，应用于天然水及废水中微量铜的测定，结果满意。
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| 关 键 词： | 铜，铜试剂，分光光度法，巯基棉，富集分离 |
SPECTROPHOTOMETRIC DETERMINATION OF MICROAMOUNTS OF COPPER IN WATER WITH COPPER-DDTC-TWEEN-80-OP SYSTEM AFTER ITS CONCENTRATTION ON SULFHYDRYLC COTTON |
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| He Bin. SPECTROPHOTOMETRIC DETERMINATION OF MICROAMOUNTS OF COPPER IN WATER WITH COPPER-DDTC-TWEEN-80-OP SYSTEM AFTER ITS CONCENTRATTION ON SULFHYDRYLC COTTON[J]. Arid Environmental Monitoring, 1996, 0(2) |
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| Authors: | He Bin |
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| Abstract: | |
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| Keywords: | Copper determination DDTC Spectrophotometyry Sulfhydryl cotton Enriching and separation. |
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