GB/T 17229-1998
Active
YS/T 231-2015
Active
Industry standards-Non-ferrous metals
YS/T 231-2015 Tungsten concentrate
YS/T 231-2015 Tungsten concentrate
Basic Information
Standard Code:
YS/T 231-2015
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nRare metal mines
ICS Name:
Other metal mines
Publish Date:
2015-04-30
Implement Date:
2015-10-01
Pages:
6 pages
Scope
This standard specifies the requirements for tungsten concentrates, test methods, inspection rules, marking, packaging, transportation, storage, as well as the contents of quality certificates and purchase orders (or contracts).
This standard applies to tungsten concentrates obtained through mineral processing, which are used in the production of ammonium paratungstate, tungstic acid, ammonium metatungstate, tungsten oxide, and other products.
Development Information
Replace the following standards
Referenced Standards
GB/T 6150.18-1985 Methods for chemical analysis of tungsten concentrates—The sulphosalicylic acid photometric method for the determination of iron content
GB/T 6150.18-2023 Methods for chemical analysis of tungsten concentrates—Part 18:Determination of barium content—Inductively coupled plasma atomic emission spectrometry
GB/T 6150.19-1985 Methods for chemical analysis of tungsten concentrates—The 2-(5-bromo pyridylazo)-5-diethylaminophenol photometric method for the determination of antimony content
GB/T 6150.19-2025 Methods for chemical analysis of tungsten concentrates—Part 19:Determination of fluoride content—Ion selective electrode method
GB/T 6150.20-2025 Methods for chemical analysis of tungsten concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method
GB/T 26019-2010 Methods for chemical analysis of high impurity tungsten mineral—Determination of tungsten trioxide content—Twice separation and igniting gravimetric method
Related Standards
GB/T 18114.10-2000
Replaced
GB/T 18114.10-2000 Methods for chemical analysis of monazite concentrates—Determination of water content
GB/T 18114.1-2000
Replaced
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates—Determination of total rare earth and thorium oxide content
GB/T 18114.2-2000
Replaced
GB/T 18114.2-2000 Methods for chemical analysis of monazite concentrates—Determination of thorium oxide content
GB/T 18114.3-2000
Replaced
GB/T 18114.3-2000 Methods for chemical analysis of monazite concentrates—Determination of calcium oxide content
GB/T 18114.4-2000
Replaced