离子色谱法同时测定化工烟气中氟离子氯离子  

Simultaneous Determination of Fluoride Ion and Chloride Ion in Chemical Flue Gases by Ion Chromatography

作　　者：梁玉霞 于静 何云祥 胡凤萍[1] 王琳 Liang Yu-xia;Yu Jing;He Yun-xiang;Hu Feng-ping;Wang Lin

机构地区：[1]金川集团股份有限公司检测中心

出　　处：《金川科技》2021年第1期43-47,共5页Jinchuan Science and Technology

摘　　要：本文建立了离子色谱法同时测定化工烟气中氟离子、氯离子的分析方法。本文选择碳酸钠和碳酸氢钠作淋洗液,电导检测器检测。样品经前处理,过滤,过氢型柱进样测定。试验结果表明:该方法具有良好的线性范围,样品加标回收率氟离子在94.6%~109.8%,氯离子在90.0%~110.0%,方法的精密度氟离子在1.93%~8.27%,氯离子在2.52%~8.33%。该方法快速简便、操作简单,测定结果令人满意。In this paper,an ion chromatography method for simultaneous determination of fluorine and chlorine ions in chemicalflue gas was established.Sodium carbonate and sodium bicarbonate solution were selected as eluent for electrolytic conductivity detectordetection.The sample was pretreated,filtered and measured by H-type ion exchange column injection.The experimental results showthat the method has a good linear range,the recovery rates of the standard addition of fluoride and chloride ions are 94.6%~109.8%with precision of 193%~8.27%,and 90.0%~110.0%with precision of 2.52%~8.33%,respectively.The method is simple and rap-id,and the determination results are fully satisfying.

关 键 词：离子色谱 烟气 氟离子 氯离子 

分 类 号：O65[理学—分析化学]