饲料中总砷测定方法的改进

Improvement of determination method of total arsenic in feed

本文提出一种干法分解样品的预处理方法测定饲料中的砷。该方法变异系数＜3％，回收率为93％～104％。

This paper proposes a pretreatment method to decompose samples dry for the determi-nation of arsenic in aquaculture feed. The variation cofficient for the method is smaller than 3 % and the recovery 93 % ~104 %.