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Determination of nine anions in drinking water by reagent-free ion chromatography
Author(s): Xia Jingfen, Lin Jianyuan, Hou Tao
Pages: 33-
36
Year: 2008
Issue:
1
Journal: ANALYTICAL INSTRUMENTATION
Keyword: 免试剂; 离子色谱; 饮用水; 阴离子;
Abstract: 建立了免试剂离子色谱法同时测定饮用水中F-、BrO-3、Cl-、NO-2、SO2-4-、Br-、NO-3、ClO-3、PO3-4等9种无机阴离子的方法.所用仪器为戴安ICS-90离子色谱仪,色谱柱为IonPac AS11-HC,淋洗液氢氧根的浓度为29mmol/L,流速为1mL/min.在所选实验条件下,分析方法线性相关系数的平方为0.9992~0.9998,相对标准偏差为1.20%~4.39%,加标回收率为96.1%~103.8%,最低检出限为0.0012~0.1 710 mg/L.方法具有背景电导低、灵敏度高、测定结果准确等特点,适合水样中多种阴离子的同时测定.
Citations
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