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GB/T 6609.24-2026
Chemical analysis methods and determination of physical performance of alumina—Part 24: Measurement of the angle of repose and the angle of flow
GB/T 6609.22-2026
Chemical analysis methods and determination of physical performance of alumina—Part 22: Sampling and preparation of test samples
GB/T 6609.13-2026
Chemical analysis methods and determination of physical performance of alumina—Part 13: Determination of calcium oxide content—Flame atomic absorption spectrometric method
GB/T 29999-2026
Integrated treatment specification for acidic wastewater from copper mines
GB/T 6609.5-2026
Chemical analysis methods and determination of physical performance of alumina—Part 5：Determination of sodium oxide and potassium oxide contents
GB/T 6609.11-2026
Chemical analysis methods and determination of physical performance of alumina—Part 11: Determination of manganese oxide and magnesium oxide contents—Flame atomic absorption spectrometric method
GB/T 6609.7-2026
Chemical analysis methods and determination of physical performance of alumina—Part 7:Determination of titanium dioxide, chromium sesquioxide, cupric oxide,fluorine, chlorine, boron trioxide, phosphorus pentoxide, sulfate contents—Spectrophotometry method
GB/T 42915-2023
GB/T 42915-2023
Specification for identification of copper concentrates and main copper-bearing materials
GB/T 8063-2017
Designation of cast nonferrous metals and their alloys
GB/T 13822-2017
Test specimens for nonferrous diecasting alloys
GB/T 33201-2016
NCu30-3-0.5 alloy bar,wire,forgings and forging stock—General specification
GB/T 30083-2013
Copper,lead and zinc ores and concentrates―Precision and bias of mass measurement techniques
GB/T 30082-2013
Copper,lead and zinc sulfide concentrates―Determination of mass of contained metal in a lot
GB/T 29999-2013
The norms for the integrated treatment of copper mine acidic waste water
GB/T 29773-2013
The technical specification of waste water recycle for copper mineral processing plant
GB/T 29502-2013
Purple ore
GB/T 27678-2011
The technical specification of waste water recycle fo hydrometallurgical zinc enterprise
GB/T 27680-2011
Copper，lead ，zinc and nickel concentrates - Experimental methods for checking the bias of sampling
GB/T 27679-2011
Copper, lead, zinc and nickel concentrates - Experimental methods for checking the precision of sampling