GB/T 3637-1993
Liquid sulphur dioxide (English Version)
- Standard No.
- GB/T 3637-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2012-06
- Replace By
- GB/T 3637-2011
- Latest
- GB/T 3637-2021
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, and requirements for marking, packaging, transportation, storage and safety of liquid sulfur dioxide. This standard applies to industrial liquid sulfur dioxide. This product is mainly used for the manufacture of sulfite and as a raw material for organic synthesis industries such as nylon, dyes, and synthetic detergents. It can also be used as a refrigerant, preservative, etc. Molecular formula: SO2 Relative molecular mass: 64.06 (according to the international relative atomic mass in 1989)
GB/T 3637-1993 history
- 2021 GB/T 3637-2021 Liquid sulphur dioxide
- 2011 GB/T 3637-2011 Liquid sulphur dioxide
- 1993 GB/T 3637-1993 Liquid sulphur dioxide
