HG 2281-1992
Sodium bisulfite formaldehyde (carved white block) (English Version)
- Standard No.
- HG 2281-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Chemical Industry
- Status
- 2007-03
- Replace By
- HG/T 2281-2006
- Latest
- HG/T 2281-2014
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for sodium bisulfite formaldehyde (carbohydrate). This standard applies to sodium bisulfite formaldehyde (carbohydrate) produced by the zinc powder method. Its main use is as a dye discharge agent in the printing and dyeing industry.
HG 2281-1992 history
- 2014 HG/T 2281-2014 Sodium formaldehyde sulfoxylate
- 2006 HG/T 2281-2006 Rongalite
- 1992 HG 2281-1992 Sodium bisulfite formaldehyde (carved white block)
HG 2281-1992 Sodium bisulfite formaldehyde (carved white block) was changed to HG/T 2281-2006 Rongalite.
