This standard specifies the method for determination of nitrogen content in urea. This standard is applicable to the determination of nitrogen content in urea for import and export.
SN/T 0840-2015 history
2015SN/T 0840-2015 Determination of nitrogen content of urea for import and export
1999SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export