UNE-EN 12918:2000 WATER QUALITY. DETERMINATION OF PARATHION, PARATHION-METHYL AND SOME OTHER ORGANOPHOSPHORUS COMPOUNDS IN WATER BY DICHLOROMETHANE EXTRACTION AND GAS CHROMATOGRAPHIC ANALYSIS.
2000UNE-EN 12918:2000 WATER QUALITY. DETERMINATION OF PARATHION, PARATHION-METHYL AND SOME OTHER ORGANOPHOSPHORUS COMPOUNDS IN WATER BY DICHLOROMETHANE EXTRACTION AND GAS CHROMATOGRAPHIC ANALYSIS.