LIU Weiwei, JI Haihong, ZHANG Chao, et al. Study on the Test Conditions of Cl-and SO42-in Cooling Medium of Converter Station by Ion Chromatography[J]. 2017, 38(5): 31-34.
LIU Weiwei, JI Haihong, ZHANG Chao, et al. Study on the Test Conditions of Cl-and SO42-in Cooling Medium of Converter Station by Ion Chromatography[J]. 2017, 38(5): 31-34. DOI: 10.3969/J.ISSN.2095-3429.2017.05.007.
离子色谱法测定换流阀冷却介质中Cl-和SO42-含量试验条件的研究
摘要
主要研究换流阀冷却介质中Cl
-
和SO
4
2-
含量测定的试验条件
采用离子色谱法测定
用梯度淋洗方式代替传统的等度淋洗方式
获得较好的色谱组分分离效果
定量准确
试验过程操作简便
解决了以乙二醇为换流阀冷却介质的水溶液中Cl
-
和SO
4
2-
含量测试问题
为直流换流站换流阀冷却介质的质量监督提供了可靠依据
有效控制直流换流站内冷水系统的腐蚀。
Abstract
This paper studies the commutation test con-ditions for the determination of Cl
-
and SO
4
2-
in valve cool-ing medium.The test determined by ion chromatography.Using the gradient elution mode to replace traditional iso-cratic elution mode
which obtain good separating effect and quantitative accuracy in chromatographic component.Test procedure is simple
in addition
it Solves the problem in measuring Cl
-
and SO
4
2-
in aqueous solution in the con-verter valve cooling medium in glycol.To provide a reli-able basis for quality supervision for HVDC converter valve cooling medium