GB/T 17229-1998
Active
GB/T 29509.1-2025
Active
National standards
GB/T 29509.1-2025 Methods for chemical analysis of gold-loaded carbon—Part 1:Determination of gold and silver contents
GB/T 29509.1-2025 Methods for chemical analysis of gold-loaded carbon—Part 1:Determination of gold and silver contents
Basic Information
Standard Code:
GB/T 29509.1-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Precious metal mine
ICS Name:
Other metal mines
Publish Date:
2025-06-30
Implement Date:
2026-01-01
Pages:
16 pages
Scope
This document describes the methods for determining the gold and silver content in gold-loaded charcoal.
This document is applicable to the determination of gold and silver content in gold-loaded charcoal.
- Method 1: Fire assay weight method. The gold content determination range is 100.0 g/t to 10,000.0 g/t, and the silver content determination range is 500.0 g/t to 20,000.0 g/t;
- Method 2: Flame atomic absorption spectrometry. The gold content determination range is 100.0 g/t to 10,000.0 g/t.
Development Information
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