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离子色谱法测定饮用水中微量无机消毒副产物——ClO_2^-、ClO_3^-和BrO_3^- 被引量:7

Determination of trace inorganic disinfection by-products by ion chromatograph
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摘要 饮用水消毒过程中产生的有机与无机副产物的危害逐渐成为人们普遍关注的问题。本文针对给水处理消毒过程中产生的主要无机副产物的测定开展了系统的研究工作。建立了用离子色谱法同时检测饮用水中微量无机副产物———ClO2-、ClO3-、BrO3-的方法,对测定的色谱条件和最佳的淋洗液浓度、流速及仪器灵敏度范围等进行了探讨,找出了离子色谱法分析这些无机消毒副产物的最佳分析条件。试验结果表明,该测定方法测定准确、灵敏度高、重现性好。对于ClO-、ClO-和BrO-的最低检出限分别为0.02mg/L、0.03mg/L和0.01mg/L。 The formationof disinfectionby-productsin watertreatmenthas beenpaidgreatattentiondueto theirpotentialnegativeeffectto humanhealth.Thedeterminationof inorganicdisinfectionby-productsis one of thekeypartincontrollingtheirformation.A methodwasdevelopedusingionchromatographforthedeter-minationof tracechlorite,chlorateandbromatesimultaneously.Theoptimumconditionsof chromatographs,theeffectof theeluentconcentrationsandtheoptimumflowratewereinvestigated.Theexperimentalresults demonstratedthatthemethodhashighaccuracy,sensitivity,andreproducibility.Thedetectionlimitsof this methodforchlorite,chlorate,andbromatewere0.02mg/L、0.03mg/Land0.01mg/Lrespectively.
作者 欧阳红 马军
出处 《哈尔滨建筑大学学报》 北大核心 2001年第4期70-73,共4页 Journal of Harbin University of Civil Engineering and Architecture
基金 国家自然科学基金资助项目59825106)
关键词 离子色谱 二氧化氯 亚氯酸盐ClO^- 氯酸盐ClO3^- 饮用水 测定 无机消毒 ionchromatograph chlorinedioxde chlorite chlorate bromate disinfectionby-products ozone hypochlorite
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