GB/T 6949-2010: Determination of apparent relative density of coal

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Scope

This Standard specifies the instruments and equipment, reagents, coal sample preparation,
determination procedures, results calculation, and degree of precision for determination of
apparent relative density of coal.
This Standard applies to lignite, bituminous coal and anthracite.

Basic Data

Standard ID	GB/T 6949-2010 (GB/T6949-2010)
Description (Translated English)	Determination of apparent relative density of coal
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D21
Classification of International Standard	73.040
Word Count Estimation	10,159
Date of Issue	2011-01-10
Date of Implementation	2011-06-01
Older Standard (superseded by this standard)	GB/T 6949-1998
Quoted Standard	GB 474; GB 475; GB/T 482; GB/T 19494.1; exploration of coal resources coal sampling procedure 1989
Regulation (derived from)	National Standard Approval Announcement 2011 No.1 (Total No.166)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the relative density of coal, as measured by instruments and equipment, reagents, coal sample preparation, determining step, results of calculation and precision. This standard applies to lignite, bituminous coal, anthracite.