| PAN负载聚氨酯泡沫塑料富集分光光度法测定微量锰 |
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| 引用本文： | 苗风琴,刘君郁,张英,李宏霞.PAN负载聚氨酯泡沫塑料富集分光光度法测定微量锰[J].北京化工大学学报(自然科学版),1990(4). |
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| 作者姓名： | 苗风琴 刘君郁 张英 李宏霞 |
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| 作者单位： | 北京化工学院应用化学系
(苗风琴，刘君郁，张英)，北京化工学院应用化学系(李宏霞) |
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| 摘 要： | 报导用PAN螯合剂负载的聚氨酯泡沫塑料富集,分光光度法测定微量锰的简单易行方法。2吡啶偶氮—萘酚(PAN)在pH=9.5缓冲溶液中既做为负载剂又做为显色剂。锰离子富集之后,用1mol/L HNO_3洗脱,光度法测定。在0～0.12Mg/1ml锰离子范围符合比尔定律,方法用于麦饭石水和天然水中微量锰离子测定。
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| 关 键 词： | PAN 负载 聚氨酯 锰 分光光度法 螯合剂 泡沫塑料富集 |
Determination of Trace Manganese by Spectrophotometric Method and Enrichment Method by using Polyurethane Foamed Plastics Loaded with PAN |
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| Miao Fengqin Liu Junyu Zkang Ying Li Hangxia.Determination of Trace Manganese by Spectrophotometric Method and Enrichment Method by using Polyurethane Foamed Plastics Loaded with PAN[J].Journal of Beijing University of Chemical Technology,1990(4). |
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| Authors: | Miao Fengqin Liu Junyu Zkang Ying Li Hangxia |
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| Institution: | Department of Applied Chemistry |
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| Abstract: | |
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| Keywords: | PAN loades polyurethane manganese speetrophotometry chelating agent foamed plastics enrichment |
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