The purpose of bleaching is to wipe off some pigment minim-metal ,soap, lecithoid ,remnant pesticide and other impurity.

脱色的目的在于去除色素、微量金属、皂粒、胶、农药和其它的杂。

The two simple methods can be employed to check the performance of depurant uesed in the analysis of residual pesticide.

这两种方法可以方便地检查出农药分析中净化剂的能。

A better method was presented by adopting an external standard method of high performance liquid chromatography for the determination of Anilazine pesticides residue in foods.

建立了一套较为完善的检测食品中农药敌菌灵量的高效液相色谱外法。