固相萃取-高效液相色谱法测定饮用水中微囊藻毒素-LR
Journal of Huaihai Institute of Technology(Natural Science Edition)(2011)
Abstract
建立了固相萃取-高效液相色谱法测定饮用水中微囊藻毒素LR的方法,比较了不同品牌C18反相固相萃取柱、萃取柱活化时间、萃取柱空气干燥时间、淋洗液和洗脱液种类对微囊藻毒素LR的提取率的影响,并对色谱条件进行优化,得到了测定饮用水中微囊藻毒素LR样品前处理和分析的最佳条件。该法的检测限可达0.02ug/L,线性定量范围为0.1~50ug/L,提取回收率达85%以上。
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Key words
solid phase extraction,microcystic toxins LR,drinking water,high performance liquid chromatography
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