| 沉淀分离-络合滴定法测量硫化钠含量 |
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| 引用本文： | 吴豫鄂. 沉淀分离-络合滴定法测量硫化钠含量[J]. 武汉化工学院学报, 2006, 28(2): 17-18 |
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| 作者姓名： | 吴豫鄂 |
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| 作者单位： | 武汉化工学院分析测试中心,湖北武汉430074 |
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| 摘 要： | 介绍了ZnS沉淀分离-EDTA络合滴定法测量工业硫化钠中Na2S含量的原理和方法，并对该方法的准确性和重现性进行了论证．实验结果表明：该方法具有良好的重现性，重复实验的相对标准偏差为0．55％；该方法具有较高的准确性，与碘量法（国标）相比结果相差0．11％，一致性达到99．5％．
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| 关 键 词： | 硫化钠 分析方法 重现性 准确性 |
| 文章编号： | 1004-4736(2006)02-0017-02 |
| 收稿时间： | 2005-04-27 |
| 修稿时间： | 2005-04-27 |
Determination content of Na2S with the use of precipitation separation - complexmetric titration |
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| WU Yu - e. Determination content of Na2S with the use of precipitation separation - complexmetric titration[J]. Journal of Wuhan Institute of Chemical Technology, 2006, 28(2): 17-18 |
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| Authors: | WU Yu - e |
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| Affiliation: | Center of Analysis and Test, Wuhan institute of Chemical Technology, Wuhan 430074, China |
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| Abstract: | A method for determination content of Na_2S in sodium sulfide was described with the use of ZnS-precipitation separation-EDTA-complexmetric titration,and the repeatability and accuracy on the method were discussed.The results were as followed:good repeatability,good accuracy.Therefore,the method made more way of determination content of Na_2S . |
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| Keywords: | sodium sulfide analysis method repeatability accuracy |
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