SY/T 5238-1991
Hydrogen, carbon and oxygen isotope sample preparation method in natural gas (English Version)
- Standard No.
- SY/T 5238-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Petroleum
- Status
- 2008-12
- Replace By
- SY/T 5238-2008
- Latest
- SY/T 5238-2019
SY/T 5238-1991 history
- 2019 SY/T 5238-2019 Methods for analyzing carbon and oxygen isotopes of organic matter and carbonate rocks
- 2008 SY/T 5238-2008 Analysis method for carbon and oxygen isotope in organic matter and carbonate
- 1991 SY/T 5238-1991 Hydrogen, carbon and oxygen isotope sample preparation method in natural gas
