title: Quantitative determination of organophosphorus pesticides by thin-layer densitometry.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods*; D003124:Colorimetry; D003720:Densitometry; D007202:Indicators and Reagents; D007306:Insecticides / Q000032:analysis*; D009943:Organophosphorus Compounds; D012835:Silver Nitrate; D013050:Spectrometry, Fluorescence
chemical_list: D007202:Indicators and Reagents; D007306:Insecticides; D009943:Organophosphorus Compounds; D012835:Silver Nitrate