GB 474-2008: [GB/T 474-2008] Method for preparation of coal sample

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Scope

This standard specifies terms and definitions, sample constitution, reduction, mixing,
division and air-drying for coal sample preparation, the preparation of various coal samples
and reserve sample.
This standard is applicable to lignite, bitumite and hard coal.

Basic Data

Standard ID	GB 474-2008 (GB474-2008)
Description (Translated English)	[GB/T 474-2008] Method for preparation of coal sample
Sector / Industry	National Standard
Classification of Chinese Standard	D21
Classification of International Standard	73.040
Word Count Estimation	30,384
Date of Issue	2008-12-04
Date of Implementation	2009-05-01
Older Standard (superseded by this standard)	GB 474-1996
Quoted Standard	GB/T 211; GB/T 217; GB 475; GB/T 19494.3
Adopted Standard	ISO 18283-2006, MOD
Regulation (derived from)	Announcement of Newly Approved National Standards No. 19 of 2008 (No. 132 overall)
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 Chinese standard specifies the coal sample preparation terminology and definitions, sample composition, crushing, mixing, and air drying shrinkage of various coal sample preparation and reference purposes. This standard applies to lignite, bituminous and bituminous coal.