GB/T 15249.4-2009
Methods for chemical analysis of crude gold.Part 4:Determination of lead content.EDTA titrimetric method (English Version)

Standard No.

GB/T 15249.4-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 15249.4-2009

Replace

GB/T 15249.4-1994

Scope

This part of GB/T 15249 specifies the method for the determination of lead content in alloy gold. This part is applicable to the determination of lead in alloy gold (mined gold, smelted crude gold products and recycled gold, etc.). Determination of the mass fraction range of lead: 1.00%~15.00%.

GB/T 15249.4-2009 history

• 2009 GB/T 15249.4-2009 Methods for chemical analysis of crude gold.Part 4:Determination of lead content.EDTA titrimetric method
• 1994 GB/T 15249.4-1994 Crude Gold-Determination of lead content-EDTA titrimetric method

GB/T 15249.4-2009 -All Parts