GB/T 40697-2021
Specification for management of the third-party coal testing (English Version)
- Standard No.
- GB/T 40697-2021
- 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 40697-2021
- Scope
- This document specifies the general requirements, organizational requirements, resource allocation requirements, process control requirements, management system requirements, etc. of third-party coal testing management. This document applies to third-party coal testing laboratories (hereinafter referred to as laboratories).
GB/T 40697-2021 Referenced Document
- GB/T 19494.1 Mechanized Coal Sampling Part 1: Sampling Methods*， 2023-11-27 Update
- GB/T 19494.2 Mechanized Coal Sampling Part 2: Preparation of Coal Samples*， 2023-11-27 Update
- GB/T 19494.3 Mechanized Coal Sampling Part 3: Determination of Precision and Bias Testing*， 2023-11-27 Update
- GB/T 213 Determination of calorific value of coal
- GB/T 474 Method for preparation of coal sample
- GB/T 475 Method for manual sampling of commercial coal
- GB/T 483 General rules for analytical and testing methods of coal
GB/T 40697-2021 history
- 2021 GB/T 40697-2021 Specification for management of the third-party coal testing
