【摘要】 建立了测定环境水中阴离子的方法.以1.8mmol/LNa2CO3和1.7mmol/LNaHCO3为淋洗液,36mmol/L的H2SO4为微膜抑制器的再生液,用PacAS-14A阴离子分离柱,一次进样10μL,8min内检测出7种阴离子.详细讨论了色谱的工作条件及其影响因素.该方法简便、快速、准确度高,能够满足环境水样中阴离子的分析要求.更多还原

【Abstract】 In the analysis for anions in environmental water with ion chromatog raphy (IC),the drip washing liquid with 1.8 mmol/L Na2HCO3 and 1.7 mmol/L NaHCO3 is adopted.The regenerative liquid is 36 mmol/L H2SO4.The system is composed of series chromatography of PacAs-14 and conductivity detector.For 10 μL sample,within 8 min,seven kinds of anions can be detected.The working condition and the affecting factors of IC is discussed.Its relative standard deviation is between 1.9%and 6.0%,with a recovery above 97%.The method is practical,rapid and rel iable.It can completely meet the demand of the analysis for anion in environment al water samples.更多还原