GB/T 22994-2008 in English

《GB/T 22994-2008牛奶和奶粉中左旋咪唑残留量的测定 液相色谱-串联质谱法》由469-nq（国家标准委农业食品部）归口，主管部门为国家标准化管理委员会。
本标准规定了牛奶和奶粉中左旋咪唑残留量液相色谱�泊�联质谱测定方法。
本标准适用于液态奶（包括原料奶、纯牛奶、脱脂牛奶）和奶粉（包括纯奶粉、脱脂奶粉和婴幼儿配方奶粉）中左旋咪唑残留量的测定。

Scope

This standard specifies the liquid chromatography-tandem mass spectrometry method for the determination of levamisole residues in milk and milk powder. This standard applies to the determination of levamisole residues in liquid milk (including raw milk, pure milk, skimmed milk) and milk powder (including pure milk powder, skimmed milk powder and infant formula milk powder). The detection limit of levamisole in milk in this standard is 0.4 μg/kg; the detection limit of levamisole in milk powder is 3.2 μg/kg.