| 钽试剂(BPHA)萃取分光光度法测定水中钒 |
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| 引用本文： | 郑芳. 钽试剂(BPHA)萃取分光光度法测定水中钒[J]. 福建分析测试, 2000, 0(3) |
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| 作者姓名： | 郑芳 |
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| 作者单位： | 国家城市供水水质监测网福州监测站 福州 |
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| 摘 要： | 在强酸性介质中,钽试剂(BPHA)与五价钒形成的螯合物定量地被三氯甲烷和乙醇混合液搅拌萃取,使用1cm比色皿在440nm波长分光光度法测定,本方法适宜测定0.081～10.0mg/L浓度范围内的钒,加标回收率93.8％～106.3％。
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| 关 键 词： | 钒 钽试剂(BPHA) 萃取 分光光度法 |
BPHA Etraction Spectrophotometric Method Determination of Vanadium in Water |
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| Zheng Fang. BPHA Etraction Spectrophotometric Method Determination of Vanadium in Water[J]. Fujian Anal Ysis & Testing, 2000, 0(3) |
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| Authors: | Zheng Fang |
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| Abstract: | In strong acid medium, chelate of BPHA and V~(5+) was extracted with chloroform and alcohol mixture quantitatively and determinated by spectrophotometric method at 440 nm. The determination range is 0. 081～ 10. 0 mg/L. The recovery is 93. 8%～106. 3% |
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| Keywords: | Vanadium BPHA Etraction Spectrophotometric method |
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