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湿式消解法测定香菇中镉的含量

Ya-jun YANG, Chun-long WANG,Hui-jun WANG, Gui-rong CHEN,Jin-lin ZHANG

Journal of Agricultural University of Hebei(2014)

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Abstract
利用火焰原子吸收分光光度计,采用湿式消解法对香菇中镉的含量测定方法进行了研究.该方法的方法检出限为0.026mg/kg,实验室内变异系数CV%为4.90%~13.54%,加标回收率为79.33%~89.90%,标准曲线线性范围为0.01~1.0 mg/L,回归方程Y=0.378X+0.003,线性相关系数r2为0.9993.利用本方法和国标方法(GB/T5009.15--2003)分别对香菇样品中镉含量进行了测定,结果表明,2种方法的测定结果一致(P>0.05).研究结果表明,该方法操作快速、简便、灵敏度高,能够满足检测需求.
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Chemical Composition
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