| EDTA滴定法测定锌矿石中锌方法的改进 |
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| 引用本文： | 余红,宋江伟,欧阳义华,朱松,李凤玲.EDTA滴定法测定锌矿石中锌方法的改进[J].云南地质,2010,29(1):94-97. |
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| 作者姓名： | 余红 宋江伟 欧阳义华 朱松 李凤玲 |
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| 作者单位： | 个旧308测试中心,云南,个旧市,661000 |
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| 摘 要： | 对矿石中锌含量测定提出改进方案，回收率达98．2％-104．6％之间。RSD（n=12）为0．12％-3．57％，经标准样品及外部比对验证，分析结果可靠稳定，取得满意效果。
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| 关 键 词： | 测锌法改进 锌氨洛离子 消除干扰 提高回收率 滴定法 |
THE IMPROVEMENT OF EDTA TITRATION METHOD IN ZN TESTING OF ZN ORE |
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| YU Hong,SONG Jiang-wei,OUYANG Yi-hua,ZHU Song,LI Feng-ling.THE IMPROVEMENT OF EDTA TITRATION METHOD IN ZN TESTING OF ZN ORE[J].Yunnan Geology,2010,29(1):94-97. |
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| Authors: | YU Hong SONG Jiang-wei OUYANG Yi-hua ZHU Song LI Feng-ling |
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| Institution: | ( Testing Center of Gejiu 308, Gejiu 661000) |
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| Abstract: | In the testing of Zn content, the recovery can be 98. 2 - 104. 6%, RSD （n = 12） 0. 12 -3.57%. According to the examination of standard sample and outer comparison, the testing result is reliable, stable and satisfactory. |
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| Keywords: | Improvement of Zn Testing Method Complex Ion of Zinc and Ammonia Expelling Disturb Increase of Recovery Titration Melhod |
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