GB/T 4414-1984
Methods of sampling and sample preparation of tungsten concentrates in bags
2014-08
- Standard No.
- GB/T 4414-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 4414-2013
- Lastest
- GB/T 4414-2013
- Scope
- This standard applies to the collection and preparation of samples for chemical composition and moisture determination of packaged wolframite concentrates (tungsten ore, wolframite and wolframite) and scheelite concentrates (calcium tungstate ore).
GB/T 4414-1984 history
- 2013 GB/T 4414-2013 Methods of sampling and sample preparation of tungsten concentrates in bags
- 1984 GB/T 4414-1984 Methods of sampling and sample preparation of tungsten concentrates in bags