GB/T 6949-2010
Determination of apparent relative density of coal (English Version)

Standard No.

GB/T 6949-2010

Language

Chinese, Available in English version

Release Date

2011

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 6949-2010

Replace By

API RP 2023-2001

Replace

GB/T 6949-1998

Scope

This standard specifies the instruments and equipment, reagents, coal sample preparation, measurement procedures, result calculation and precision for the determination of apparent relative density of coal. This standard is applicable to lignite, bituminous coal and anthracite.

GB/T 6949-2010 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 482 Sampling of coal seams

GB/T 6949-2010 history

• 2011 GB/T 6949-2010 Determination of apparent relative density of coal
• 1998 GB/T 6949-1998 Determination of apparent relative density of coal

GB/T 6949-2010 Determination of apparent relative density of coal was changed to API RP 2023-2001 Guide for Safe Storage and Handling of Heated Petroleum-Derived Asphalt Products and Crude-Oil Residua (THIRD EDITION).