GB/T 31429-2015 (English Version) PDF

Standard No.: GB/T 31429-2015
Language: Chinese, Available in English version
Release Date: 2015
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 31429-2015

Scope: This standard specifies the laboratory organization, facilities and environment, equipment and supply, quality assurance procedures, coal sample collection, reception and management, sample preparation, equipment calibration and verification, testing, quality control in the quality control of coal laboratory testing The content that needs to be paid attention to in the procedures, result review and reporting. This standard applies to coal laboratories.

GB/T 31429-2015 Referenced Document

GB 474 Method for preparation of coal sample
GB 475 Method for manual sampling of commercial coal
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 27025 General requirements for the competence of testing and calibration laboratories*， 2019-12-10 Update