NF EN 12918:1999 水質(zhì) 二氯甲烷萃取并氣相色譜分析后水中對硫磷、甲基對硫磷和某些其他有機(jī)磷化合物的測定
Water quality - Determination of parathion, methyl-parathion and certain other organophosphorus compounds in water after extraction with dichloromethane and analysis by gas chromatography