组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 3884.16-2025
Methods for chemical analysis of copper concentrates—Part 16：Determination of silicon dioxide content—K2SiF6 titrimetric method and gravimetric method
GB/T 3884.1-2025
Methods for chemical analysis of copper concentrates—Part 1 : Determination of copper content—Iodine titration method and electrogravimetric method
GB/T 3884.3-2025
Methods for chemical analysis of copper concentrates—Part 3:Determination of sulfur content—Gravimetric method and combustion-titration method
GB/T 3884.2-2025
Methods for chemical analysis of copper concentrates—Part 2：Determination of gold and silver contents—Flame atomic absorption spectrmetric method and fire assay method
GB/T 3884.15-2025
Methods for chemical analysis of copper concentrate—Part 15：Determination of total iron and ferriferrous oxide contents
GB/T 3884.9-2025
Methods for chemical analysis of copper concentrates—Part 9: Determination of arsenic ,antimony and bismuth contents
GB/T 3884.7-2025
Methods for chemical analysis of copper concentrates—Part 7：Determination of lead and zinc contents—Na2EDTA titration method
GB/T 3884.4-2025
Methods for chemical analysis of copper concentrates—Part 4:Determination of lead,zinc,cadmium,nickel and magnesium oxide contents—Flame atomic absorption spectrometry method
GB/T 5121.8-2024
GB/T 5121.8-2024
Methods for chemical analysis of copper and copper alloys—Part 8 : Determination of oxygen, nitrogen and hydrogen contents
GB/T 3884.18-2023
Methods for chemical analysis of copper concentrates—Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,chromium,aluminum oxide,magnesium oxide and calcium oxide contents—Inductively coupled plasma atomic emission spectrometry
GB/T 3884.12-2023
Methods for chemical analysis of copper concentrates—Part 12:Determination of fluoride and chloride contents—Ion chromatography and potentiometric titration
GB/T 20078-2023
Copper and copper alloys—Forgings
GB/T 15116-2023
Die casting copper alloys and copper alloys die castings
GB/T 5231-2022
Designation and chemical composition of wrought copper and copper alloys
GB/T 3884.21-2018
Methods for chemical analysis of copper concentrates－Part 21:Determination of copper,sulfur,lead,zinc,iron, aluminium,calcium,magnesium,manganese content－Wavelength dispersive X-ray fluorescence spectrometric method
GB/T 3884.20-2018
Methods for chemical analysis of copper concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method
GB/T 3884.19-2017
Methods for chemical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry
GB/T 33948.2-2017
Method for chemical analysis of copper-steel composite metal—Part 2：Determination of zinc content—Na2EDTA titration method
GB/T 33948.1-2017
Method for chemical analysis of copper-steel composite metal—Part 1：Determination of copper content—Iodine titration method