离子色谱法测定大气降尘中四种阴离子
来源期刊:理化检验-化学分册2003年第11期
论文作者:柴凤瑞 刘冬莲 客绍英 马作东
关键词:离子色谱; 降尘; F-; Cl-; NO-3; SO24-;
摘 要:以流速1.5ml@min-1,0.24mol@L-1Na2CO3和0.30mol@L-1NaHCO3混合液为淋洗液,在YSA-4型阴离子分离柱上分离,采用带电导检测器的离子色谱仪对大气降尘中四种阴离子进行分离测定,F-、Cl-、NO3-、SO24-的检出限(3S/N)分别为0.001,0.001,0.006,0.004mg@L-1,相关系数分别为0.9991,0.9986,0.9997,0.9984,RSD分别为0.80%,0.76%,1.80%,1.90%.
柴凤瑞1,刘冬莲2,客绍英1,马作东1
(1.唐山师范学院,生物系,唐山,063000;
2.唐山师范学院,化学系)
摘要:以流速1.5ml@min-1,0.24mol@L-1Na2CO3和0.30mol@L-1NaHCO3混合液为淋洗液,在YSA-4型阴离子分离柱上分离,采用带电导检测器的离子色谱仪对大气降尘中四种阴离子进行分离测定,F-、Cl-、NO3-、SO24-的检出限(3S/N)分别为0.001,0.001,0.006,0.004mg@L-1,相关系数分别为0.9991,0.9986,0.9997,0.9984,RSD分别为0.80%,0.76%,1.80%,1.90%.
关键词:离子色谱; 降尘; F-; Cl-; NO-3; SO24-;
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