GB/T 657-1993
Chemical reagent. Hexaammonium heptamolybdate terahydrate (English Version)
- Standard No.
- GB/T 657-1993
- 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
- 2011-12
- Replace By
- GB/T 657-2011
- Latest
- GB/T 657-2011
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent ammonium molybdate tetrahydrate. This standard applies to the inspection of the chemical reagent ammonium molybdate tetrahydrate.
GB/T 657-1993 history
- 2011 GB/T 657-2011 Chemical reagent.Hexaammonium heptamolybdata tetrahydrate
- 1993 GB/T 657-1993 Chemical reagent. Hexaammonium heptamolybdate terahydrate
