title: The p-value approach to quantitative liquid-liquid extraction of pesticides from water. 1. Organophosphates: choice of pH and solvent.
mesh_terms: D005284:Fenthion / Q000302:isolation & purification; D006207:Half-Life; D006863:Hydrogen-Ion Concentration; D007306:Insecticides / Q000302:isolation & purification; D008294:Malathion / Q000302:isolation & purification; D008433:Mathematics; D009943:Organophosphorus Compounds / Q000302:isolation & purification*; D009946:Organothiophosphorus Compounds / Q000302:isolation & purification*; D010261:Paraoxon / Q000302:isolation & purification; D010278:Parathion / Q000302:isolation & purification; D010575:Pesticides / Q000302:isolation & purification*; D011743:Pyrimidines / Q000302:isolation & purification; D012997:Solvents; D013696:Temperature; D014867:Water
chemical_list: D007306:Insecticides; D009943:Organophosphorus Compounds; D009946:Organothiophosphorus Compounds; D010575:Pesticides; D011743:Pyrimidines; D012997:Solvents; D014867:Water; D010278:Parathion; D005284:Fenthion; D010261:Paraoxon; D008294:Malathion