GB/T 2565-2014: Determination of grindability index of coal -- Hardgrove method

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Scope

This method specifies the method summary, reagents and materials,
instruments and equipment, coal sample preparations, instrument calibration,
determination procedures, result calculation, method precision, and test report,
etc., of using the Hardgrove methods (hereinafter referred to as the Hardgrove
method) to determine the grindability index of coal.
This standard applies to bituminous coal and anthracite.

Basic Data

Standard ID	GB/T 2565-2014 (GB/T2565-2014)
Description (Translated English)	Determination of grindability index of coal -- Hardgrove method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D21
Classification of International Standard	73.040
Word Count Estimation	14,199
Date of Issue	6/9/2014
Date of Implementation	10/1/2014
Older Standard (superseded by this standard)	GB/T 2565-1998
Quoted Standard	GB 474; GB/T 483; GB/T 6003.1; GB/T 19494.2
Adopted Standard	ISO 5074-1994, MOD
Regulation (derived from)	National Standards Bulletin No. 11 of 2014
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 Hardgrove Act (hereinafter referred to as the Harrington method) coal grindability index (HGI) method feeds, reagents and materials, equipment, coal equipment, instrument calibration, measurement procedure, the results of the c