GB/T 20899.5-2021
Methods for chemical analysis of gold ores—Part 5: Determination of lead content (English Version)

Standard No.

GB/T 20899.5-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 20899.5-2021

Replace

GB/T 20899.5-2007

Scope

This document specifies a method for the determination of the amount of lead in gold ore. This document includes both Method 1 and Method 2 determination methods. Method 1 is applicable to the determination of lead in gold ore, and the measurement range is 0.10% to 5.00%; Method 2 is applicable to the determination of chromium in gold ore with steel content less than 1%, and the measurement range is 5.00 to 15.00 Son.

GB/T 20899.5-2021 Referenced Document

• GB/T 17433 Foundation terms for chemical analysis of metallurgical products

GB/T 20899.5-2021 history

• 2021 GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content
• 2007 GB/T 20899.5-2007 Methods for chemical analysis of gold ores Part 5: Determination of lead contents

GB/T 20899.5-2021 -All Parts