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、胶质、留农药和其它的杂质。

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

这两法可以便地检查出农药留分析中净化剂的能。

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留量的高效液相色谱外标法。