GB 666-1993
Chemical Reagent Zinc Sulfate Heptahydrate (English Version)
- Standard No.
- GB 666-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Agriculture
- Status
- 2011-12
- Replace By
- GB/T 666-2011
- Latest
- GB/T 666-2011
- Replace
- GB 666-1978
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent zinc sulfate heptahydrate. This standard applies to the inspection of the chemical reagent zinc sulfate heptahydrate.
GB 666-1993 history
- 2011 GB/T 666-2011 Chemical reagent—Zinc sulfate heptahydrate
- 1993 GB 666-1993 Chemical Reagent Zinc Sulfate Heptahydrate
- 0000 GB 666-1978
GB 666-1993 Chemical Reagent Zinc Sulfate Heptahydrate was changed to GB/T 666-2011 Chemical reagent—Zinc sulfate heptahydrate.
