GB/T 15249.3-2009 Active National standards

GB/T 15249.3-2009 Methods for chemical analysis of crude gold—Part 3:Determination of copper content—Iodometric method

Publish Date: 2009-05-06 Implement Date: 2009-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 15249.3-2009

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for precious metals and their alloys

ICS Name: Cadmium, cobalt, and their alloys

Publish Date: 2009-05-06

Implement Date: 2009-10-01

Pages: 5 pages

Scope

This part of GB/T 15249 specifies the method for determining the copper content in bullion.
This part is applicable to the determination of copper content in bullion (including ore gold, refined gold products, and recycled gold, etc.). The range of the copper mass fraction to be determined is 0.50% to 30.00%.

Development Information

Word Count: 8 Thousand words Pages: 5 pages

Same series standard

GB/T 15249.1-2009 Methods for chemical analysis of crude gold—Part 1:Determination of gold content—Fire assay gravimetric method GB/T 15249.2-2009 Methods for chemical analysis of crude gold—Part 2:Determination of silver content—Fire assay gravimetric and EDTA titrimetric methods GB/T 15249.4-2009 Methods for chemical analysis of crude gold—Part 4:Determination of lead content—EDTA titrimetric method GB/T 15249.5-2009 Methods for chemical analysis of crude gold—Part 5:Determination of mercury content—Cold atomic absorption spectrometry

Replace the following standards

GB/T 15249.3-1994 Crude Gold—Determination of copper content—Iodometric method

Related Standards

GB/T 3311-1982 abolished_transferred

GB/T 3311-1982 Determination of cerium in cerium-tungsten alloys—oxidation-reduction volumetry

Publish Date: 1982-12-22

GB/T 3312-1982 abolished_transferred

GB/T 3312-1982 Determination of thorium dioxide in thorium-tungsten alloys—Weight method

Publish Date: 1982-12-22

GB/T 3313-1982 abolished_transferred

GB/T 3313-1982 Determination of rhenium in rhenium-tungsten alloys—Spectrophotometric method using dimethylglyoxime

Publish Date: 1982-12-22

GB/T 3631-1983 abolished_transferred

GB/T 3631-1983 Technical requirements of hydro-cinnabar

Publish Date: 1983-04-16

GB/T 3825-1983 abolished_transferred

GB/T 3825-1983 Method for chemical analysis of tungsten-molybdenum alloy—The EDTA volumetric method for the determination of molybdenum content

Publish Date: 1983-08-12

GB/T 3256.8-1983 abolished_transferred

GB/T 3256.8-1983 Methods for chemical analysis of zirconium powder for electro-vacuum uses—The combustion-gravimetric method for the determination of hydrogen content

Publish Date: 1983-10-19