2015SN/T 0526-2015 Determination of piperonyl butoxide residues in foodstuffs for export.LC-MS/MS method
1996SN 0526-1996 Method for the determination of piperonyl butoxide residues in cereals for export
SN 0526-1996 Method for the determination of piperonyl butoxide residues in cereals for export was changed to SN/T 0526-2015 Determination of piperonyl butoxide residues in foodstuffs for export.LC-MS/MS method.