基于原子荧光光谱法测定稻谷中总砷及形态砷的研究与分析
China Food Safety Magazine(2022)
Abstract
目前稻谷中总砷及形态砷的测定方法多种多样,其中,原子荧光光谱法操作简单、检测效率高、结果准确.本实验分别采用微波消解-原子荧光光谱法和液相色谱-原子荧光光谱法(Liquid Chromatography-Atomic Fluorescence Spectrometry,LC-AFS)对稻谷中总砷与形态砷进行测定,根据检测结果比较总砷和形态砷含量,得知无机砷占比最大,无机砷酸含量占总砷含量的57.4%~71.3%,以亚砷酸为主,其次是以二甲基砷和砷酸形式存在,一甲基砷形态存在最少.
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