GB/T 3884.7-2025 Active National standards

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 3884.7-2025 Methods for chemical analysis of copper concentrates—Part 7:Determination of lead and zinc contents—Na2EDTA titration method

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 3884.7-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for heavy metals and their alloys

ICS Name: Copper and copper alloys

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 16 pages

Scope

This document describes the method of determining the lead and zinc content in copper concentrates and copper slag concentrates by the Na2EDTA titration method.
This document is applicable to the determination of lead and zinc content in copper concentrates and copper slag concentrates, with a measurement range (mass fraction): wp65.00%~20.00%; wzn2.50%～20.00%.
This document is not applicable to the determination of zinc content in copper concentrates and copper slag concentrates with a nickel mass fraction greater than 0.10% or a cobalt mass fraction greater than 0.02%.

Development Information

Word Count: 17 Thousand words Pages: 16 pages

Same series standard

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 3884.2-2025 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 3884.3-2025 Methods for chemical analysis of copper concentrates—Part 3:Determination of sulfur content—Gravimetric method and combustion-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 3884.9-2025 Methods for chemical analysis of copper concentrates—Part 9:Determination of arsenic,antimony and bismuth contents GB/T 3884.15-2025 Methods for chemical analysis of copper concentrates—Part 15:Determination of total iron and ferriferrous oxide contents 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

Replace the following standards

GB/T 3884.7-2012 Methods for chemical analysis of copper concentrates—Part 7:Determination of lead content—Na2EDTA titration method GB/T 3884.8-2012 Methods for chemical analysis of copper concentrates—Part 8:Determination of zinc content—Na2EDTA titration method

Referenced Standards

GB/T 3884.4-2000 Methods for chemical analysis of copper concentrates—Determination of magnesium oxide content GB/T 3884.4-2012 Methods for chemical analysis of copper concentrates—Part 4:Determination of magnesium oxide content—Flame atomic absorption spectrophotometry 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 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods

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