Removal of parathion and related products from lettuce trim.
D002849:Chromatography, Gas; D009596:Nitrophenols / Q000032:analysis; D010278:Parathion / Q000032:analysis / Q000302:isolation & purification*; D010573:Pesticide Residues / Q000032:analysis; D012997:Solvents; D013997:Time Factors; D014675:Vegetables / Q000032:analysis
D009596:Nitrophenols; D010573:Pesticide Residues; D012997:Solvents; D010278:Parathion