GB/T 17229-1998
Active
GB/T 20899.4-2021
Active
National standards
GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4:Determination of copper content
GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4:Determination of copper content
Price:
$ 54
Basic Information
Standard Code:
GB/T 20899.4-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Precious metal mine
ICS Name:
Other metal mines
Publish Date:
2021-08-20
Implement Date:
2022-03-01
Pages:
12 pages
Scope
This document specifies the method for determining the copper content in gold ores.
This document is applicable to the determination of copper content in gold ores. Method 1: Determination range: 0.010% to 2.00%; Method 2: Determination range: 2.00% to 10.00%.
Development Information
Same series standard
Replace the following standards
Referenced Standards
Related Standards
GB/T 18114.10-2000
Replaced
GB/T 18114.10-2000 Methods for chemical analysis of monazite concentrates—Determination of water content
GB/T 18114.1-2000
Replaced
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates—Determination of total rare earth and thorium oxide content
GB/T 18114.2-2000
Replaced
GB/T 18114.2-2000 Methods for chemical analysis of monazite concentrates—Determination of thorium oxide content
GB/T 18114.3-2000
Replaced
GB/T 18114.3-2000 Methods for chemical analysis of monazite concentrates—Determination of calcium oxide content
GB/T 18114.4-2000
Replaced