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Norm
ISO 589:2008
Ausgabedatum: 2008 10 28
Hard coal — Determination of total moisture
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...
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Herausgeber:
International Organization for Standardization
Format:
Digital | 9 Seiten
Sprache:
Englisch
ICS
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.