GB/T 8979-1996
Pure nitrogen
2008-11
- Standard No.
- GB/T 8979-1996
- Language
- Chinese
- Release Date
- 1996
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 8979-2008
- Lastest
- GB/T 8979-2008
- Scope
- This standard stipulates the technical requirements, inspection methods, packaging and marking of pure nitrogen products. This standard applies to gaseous or liquid nitrogen produced by air separation. It is chemically inert and nonflammable. It is an asphyxiating gas. It is used as replacement gas and protective gas in chemical, metallurgical, and electronic industries. Molecular formula: N2. Relative molecular mass: 28.0134 (according to relative atomic mass in 1991).
GB/T 8979-1996 history
- 2008 GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen
- 1996 GB/T 8979-1996 Pure nitrogen