| 摘要 |
Method for determination of pesticides of gamma-isomer of 1,2,3,4,5, 6-hexachlorcyclohexane and 4,4-dichlordifeniltrychlormetylmethane in sugar includes dissolution of sugar in water, addition of extragent, mixing of components, separation of phases with sedimentation, dewatering of extragent with filtration, evaporation of extragent, dissolving dry reside, chromatographing solution obtained, identification of substances, quantitative evaluation of substance. |
