GB/T 6682 Water for analytical laboratory use.Specification and test methods
SN/T 0647-2013 history
2013SN/T 0647-2013 Determination of maleic hydrazide residues in nuts and nut products for export.HPLC method
1998SN 0647-1997 Method for the determination of maleic hydrazide residues in nuts and nut products for export.Spectrophotometry
SN/T 0647-2013 Determination of maleic hydrazide residues in nuts and nut products for export.HPLC method has been changed from SN 0647-1997 Method for the determination of maleic hydrazide residues in nuts and nut products for export.Spectrophotometry.