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ISO 589:2008

Hard coal — Determination of total moisture

Oct 28, 2008

General information

90.93     Nov 6, 2023

ISO

ISO/TC 27/SC 5

International Standard

73.040  

English  

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Scope

ISO 589:2008 describes two methods for determination of the total moisture content of hard coals, a two-stage method and a single-stage method. For either method there is a choice between drying in air and drying in a nitrogen atmosphere. Depending on the coal rank, there may be systematic differences between the results obtained by drying in the different atmospheres on subsamples of a sample. Drying in a nitrogen atmosphere is suitable for all hard coals, while drying in air is only suitable for hard coals not susceptible to oxidation.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 589:2003

NOW

PUBLISHED
ISO 589:2008
90.93 Standard confirmed
Nov 6, 2023