| 离子色谱法、电位滴定法和直接滴定法对循环水中氯离子的测定对比及应用 |
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| 引用本文： | 赵晶晶,张海涛,吴莉莉.离子色谱法、电位滴定法和直接滴定法对循环水中氯离子的测定对比及应用[J].大氮肥,2014(3):205-207,210. |
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| 作者姓名： | 赵晶晶 张海涛 吴莉莉 |
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| 作者单位： | 中海石油化学股份有限公司,海南东方572600 |
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| 摘 要： | 对常用于C1-检测的方法——离子色谱法、电位滴定法和直接滴定法进行分析比较,发现离子色谱法的结果较好,相对误差和相对标准偏差分别为-1.83％和0.05％,加标回收率为105.1％～109.8％.将该方法应用到循环水中的5种阴离子Cl^-、NO2^-、NO3^-、PO4^3-、SO4^2-的分析中,加标回收率分别为107.2％、102.0％、97.7％、97.0％和100.3％,完全满足工业分析的需求.
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| 关 键 词： | Cl^- 循环水 测定 离子色谱法 |
DETERMINATION OF Cl^-IN CIRCULATING WATER BY ION CHROMATOGRAPHY,POTENTIOMETRIC TITRATION AND DIRECT TITRATION METHOD |
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| Zhao Jingjing,Zhang Haitao,Wu Lili.DETERMINATION OF Cl^-IN CIRCULATING WATER BY ION CHROMATOGRAPHY,POTENTIOMETRIC TITRATION AND DIRECT TITRATION METHOD[J].Large Scale Nitrogenous Fertilizer Industry,2014(3):205-207,210. |
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| Authors: | Zhao Jingjing Zhang Haitao Wu Lili |
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| Affiliation: | (China Blue Chemical Ltd., Donffang 572600) |
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| Abstract: | Three kinds of Cl^- determination methods： ion chromatography, potentiometrie titration and direct titration method were studied. The result shows that ion chromatography is better than others, the relative error and RSD are -1.83% and 0.05% respectively, and the recovery can reach to 105.1%～109.8%. Using ion chromatography to determine five kinds of anion （ Cl^-, NO2^-, NO3^-, PO4^3-, SO4^2-）, the recoveries are 107.2%, 102.0%, 97.7%, 97.0% and 100.3% respectively, which can fully meet the needs of industrial analysis. |
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| Keywords: | Cl^- circulating water determination ion chromatography |
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