GB/T 15249.4-2009 Active National standards

GB/T 15249.4-2009 Methods for chemical analysis of crude gold—Part 4:Determination of lead content—EDTA titrimetric 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 15249.4-2009

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 lead content in refined gold.
This part is applicable to the determination of lead content in refined gold (including ore gold, smelting crude gold products, and recycled gold, etc.). The range of the mass fraction of lead to be determined is 1.00% to 15.00%.

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 15249.3-2009 Methods for chemical analysis of crude gold—Part 3:Determination of copper content—Iodometric 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 15249.4-1994 Crude Gold—Determination of lead content—EDTA titrimetric method

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