This document specifies the methods for mechanized sampling, sample preparation, and precision determination of coal analysis, as well as bias testing methods. This document applies to the precision determination and bias test of mechanized coal sampling.
Basic Data
Standard ID
GB/T 19494.3-2023 (GB/T19494.3-2023)
Description (Translated English)
[Including 2025XG1] Mechanical sampling of coal - Part 3: Determination of precision and bias test
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
D21
Classification of International Standard
73.040
Word Count Estimation
47,415
Date of Issue
2023-11-27
Date of Implementation
2024-03-01
Older Standard (superseded by this standard)
GB/T 19494.3-2004
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
