This standard specifies the testing methods for the content of paraffins, olefins, naphthenes and aromatics (PONA value) in exported naphtha. This standard is applicable to the determination of PONA value in exported naphtha and similar petroleum fractions.
SN 0041-1992 history
2011SN/T 0041.1-2011 Inspection method for PONA value of export naphtha part 1: general procedure
1992SN 0041-1992 Method for inspection of PONA ofnaphtha for export
SN 0041-1992 Method for inspection of PONA ofnaphtha for export was changed to SN/T 0041.1-2011 Inspection method for PONA value of export naphtha part 1: general procedure.