This Part of GB/T 20899 specifies the method to determine gold content in gold ores. This Part is applicable to the determination of gold content in gold ores. The determination range of Method 1 is 0.20g/t~150.0g/t. The determination range of Method 2 is 0.10g/t~100.0g/t. The determination range of Method 3 is 0.10g/t~100.0g/t. The determination range of Method 4 is 0.30g/t~100.0g/t.
Basic Data
Standard ID
GB/T 20899.1-2019 (GB/T20899.1-2019)
Description (Translated English)
Methods for chemical analysis of gold ores - Part 1: Determination of gold content
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
D46
Classification of International Standard
73.060.99
Word Count Estimation
22,286
Date of Issue
2019-12-31
Date of Implementation
2020-11-01
Older Standard (superseded by this standard)
GB/T 20899.1-2007
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
Summary
This standard specifies the method for the determination of the amount of gold in gold ore. This standard applies to the determination of gold in gold ore. Measuring range of method 1: 0.20 g/t��150.0 g/t; measuring range of method 2: 0.10 g/t��100.0 g/t; measuring range of method 3
