NF T90-128*NF EN 12918:1999 Water quality - Determination of parathion, parathion-methyl and some other organophosphorous compounds in water by dichloromethane extraction and gas chromatographic analysis.
1999NF T90-128*NF EN 12918:1999 Water quality - Determination of parathion, parathion-methyl and some other organophosphorous compounds in water by dichloromethane extraction and gas chromatographic analysis.