微波消解法测定大米中的硒  

Determination of Selenium in Rice by Microwave Digestion

作　　者：刘新菲 卢正才 崔荣敏[1] 王丹[1] 张文欢 LIU Xinfei;LU Zhengcai;CUI Rongmin;WANG Dan;ZHANG Wenhuan(Dandong Center for Disease Control and Prevention,Dandong Liaoning,118003,China;Liaoning Provincial Academy of Agricultural Sciences Forest Management Institute)

机构地区：[1]丹东市疾病预防控制中心,辽宁丹东118003 [2]辽宁省农科院森林经营研究所

出　　处：《质量安全与检验检测》2022年第1期26-28,共3页QUALITY SAFETY INSPECTION AND TESTING

摘　　要：将微波消解法消解样品,测定大米中的硒用氢化物发生-原子荧光光谱法,得到得到标准曲线y=45.385x+3.6349,r=0.9994.加标回收率在90.0%~94.0%,精密度分别为3.80%、3.06%和1.57%,实验操作简单,精密度和准确度都符合实验要求,可用于测定大米中的硒含量。The sample was digested by microwave,and the selenium in rice was determined by hydride generation-atomic fluorescence spectrometry.The standard curve y=45.385x+3.6349,r=0.9994 was obtained.The recovery rate of standard addition was 90.0%-94.0%,precision Respectively 3.80%,3.06%and 1.57%,the experimental operation is simple,the precision and accuracy meet the experimental requirements,and can be used to determine the selenium content in rice.

关 键 词：富硒大米 微波消解 原子荧光光谱法 

分 类 号：TS212.7[轻工技术与工程—粮食、油脂及植物蛋白工程]