氢化物原子荧光光谱法直接测定食盐中的硒
食盐;硒;原子荧光光谱法;直接测定,,],食盐;硒;原子荧光光谱法;直接测定,1主要仪器与试剂,2结果,3讨论,参考文献:
[摘 要] 采用原子荧光光谱法直接测定食盐中的硒。结果该法相对标准偏差RSD 为1.7%,加标回收率98.2%~101.0%。表明该法操作简便、快速、准确可靠,可以直接测定食盐中硒。[关键词] 食盐;硒;原子荧光光谱法;直接测定
Derect Determination of Se in Salt by HydridegenerationAtomic Fluorescence Spectrometer
LIU Yuting, YANG Dapeng, ZHU Li
(Beijing Fengtai Center for Disease Control and Prevention, Beijing 100071, China)
Abstract:To develop a method for Derect determination of Se in salt by hydride generationatomic fluorescence spectrometerAFS.RSD's obtained were 1.7% . Recoveries were in the range of 98.2%~101.0%. The method is found to be fast and accurate. Therefore ......
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