YS/T 521.2-2009 Replaced Industry standards-Non-ferrous metals

YS/T 521.2-2009 Methods for chemical analysis of blister copper—Part 2:Determination of gold and silver contents—Fire assay method

YS/T 521.2-2009 Methods for chemical analysis of blister copper—Part 2:Determination of gold and silver contents—Fire assay method

Publish Date: 2009-12-04 Implement Date: 2010-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 521.2-2009

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Analysis methods for heavy metals and their alloys

ICS Name: Copper and copper alloys

Publish Date: 2009-12-04

Implement Date: 2010-06-01

Pages: 7 pages

Scope

This part of YS/T 521 specifies the determination method for the content of gold and silver in crude copper.
This part is applicable to the determination of the content of gold and silver in crude copper. The determination range is: the mass fraction of gold ≥ 0.5 g/t; the mass fraction of silver ≥ 20 g/t.

Development Information

Word Count: 11 Thousand words Pages: 7 pages

Same series standard

YS/T 521.1-2009 Methods for chemical analysis of blister copper—Part 1:Determination of copper content—Iodimetry YS/T 521.3-2009 Methods for chemical analysis of blister copper—Part 3:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometric method—Potassium bromate titration YS/T 521.4-2009 Methods for chemical analysis of blister copper—Determination of lead,bismuth and antimony contents—Flame atomic absorption spectrometry YS/T 521.5-2009 Methods for chemical analysis of blister copper—Part 5:Determination of zinc and nickel contents—Flame atomic absorption spectrometry YS/T 521.6-2009 Methods for chemical analysis of blister copper—Determination of arsenic,antimony,bismuth,lead,zinc and nickel contents—Inductively coupled plasma-atomic emission spectrometry

Replace the following standards

YS/T 521.3-2006(原GB/T 5120.3-1995)

Superseded by the following standards

YS/T 521.2-2019 Copper chemical analysis methods - Part 2: Determination of gold and silver content - Dry-wet and direct fire methods of fire assaying

Related Standards

GB/T 5187-1985 Replaced

GB/T 5187-1985 Copper foil

Publish Date: 1985-05-18

GB/T 5188-1985 Replaced

GB/T 5188-1985 Brass foil

Publish Date: 1985-05-18

GB/T 5189-1985 Replaced

GB/T 5189-1985 Bronze foil

Publish Date: 1985-05-18

GB/T 6149-1985 Replaced

GB/T 6149-1985 New constantan resistance alloy

Publish Date: 1985-06-21

GB/T 5246-1985 Replaced

GB/T 5246-1985 Electrolytic copper powder

Publish Date: 1985-07-22

GB/T 8010-1987 Replaced

GB/T 8010-1987 HPb63-0.1 leaded brass tube for air valve mouth applications

Publish Date: 1987-04-22