Persistence behavior of HCH in rice soil and its uptake by rice plants

DDT and HCH Compounds in Soils, Ponds, and Drinking Water of Haryana, India

“…Representative sample (40 g) obtained after quartering from each location was extracted immediately by column chromatographic technique (Kathpal et al 1988) utilizing 5 g adsorbent mixture (activated charcoalCelite545 -florisil, 3:1:1). Hexane -acetone (4:1, v/v) mixture (150 ml) was employed as eluant.…”