2011SN/T 0642-2011 Determination of propoxur residues in meat and meat products for export.Gas chromatography method
1997SN 0642-1997 Method for the determination of propoxur residues in meats and meat products for export
SN 0642-1997 Method for the determination of propoxur residues in meats and meat products for export was changed to SN/T 0642-2011 Determination of propoxur residues in meat and meat products for export.Gas chromatography method.