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ISO 5074:2015

Hard coal — Determination of Hardgrove grindability index

Sep 29, 2015

General information

90.93     Apr 9, 2021

ISO

ISO/TC 27/SC 5

International Standard

73.040  

English  

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Published

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Scope

ISO 5074:2015 specifies the method for determining the grindability index of hard coal using the Hardgrove machine. It also specifies the procedure for calibrating the test machine and for preparing the standard reference coal samples.
NOTE In this International Standard, the term "hard coal" is used as an indication of maturity or rank in the coalification sequence and is not related to the physical properties of the coal.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5074:1994

NOW

PUBLISHED
ISO 5074:2015
90.93 Standard confirmed
Apr 9, 2021

National adoptions

SRPS ISO 5074:2018  
ISS

Hard coal — Determination of Hardgrove grindability index

90.93   Standard confirmed

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