Methods for the analysis and testing of brown coal and brown coal char - Determination of the moisture holding capacity of lower rank coals

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Superseded date

30-06-2017

Superseded by

AS 2434.3-2002

Language(s)

English

Published date

01-01-1984

Publisher

Standards Australia

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1 - AS 2434.3-1984 METHODS FOR THE ANALYSIS AND TESTING OF BROWN COAL AND BROWN COAL CHAR - DETERMINATION OF THE MOISTURE HOLDING
3 - PREFACE
3 - CONTENTS
4 - 1 SCOPE.
4 - 2 REFERENCED DOCUMENTS.
4 - 3 PRINCIPLE.
4 - 4 REAGENTS.
4 - 4.1 Potassium sulphate pulp.
4 - 4.2 Nitrogen.
4 - 4.3 Desiccant.
4 - 5 APPARATUS.
4 - 5.1 Conditioning vessel.
4 - 5.2 Constant temperature incubator.
4 - 5.3 Dishes.
4 - 5.4 Vacuum pump.
4 - 5.5 Drying oven.
4 - 6 SAMPLING AND SAMPLE PREPARATION.
4 - 7 PROCEDURE.
4 - 7.1 Number of determinations.
4 - 7.2 Preparation of apparatus.
4 - 7.3 Conditioning the dish and coal.
5 - 7.4 Determination of moisture content.
5 - 8 EXPRESSION OF RESULTS.
5 - 9 PRECISION OF THE METHOD.
5 - 9.1 Repeatability.
5 - 9.2 Reproducibility.
5 - 10 TEST REPORT.
6 - APPENDIX A - CONSTANT TEMPERATURE INCUBATOR

Sets out a procedure for the determination of the moisture content of lower rank coals at 96 percent relative humidity and 30 degrees Celsius.

Committee	MN-001
DocumentType	Standard
ISBN	0 7262 3500 8
Pages	4
PublisherName	Standards Australia
Status	Superseded
SupersededBy	AS 2434.3-2002
Supersedes	DR 83066
UnderRevision	DR 02273 CP

This standard sets out a method for determining the moisture holding capacity of lower rank coals (i.e. coals at the lower end of the coalification series, such as brown coal).

Reconfirmed 1992
Under Revision see DR 02273 CP

AS 1038.16-1996	Coal and coke - Analysis and testing - Assessment and reporting of results
AS 1038.17-2000	Coal and coke - Analysis and testing Higher rank coal - Moisture-holding capacity (equilibrium moisture) (Reconfirmed 2013)
AS 2418-1995	Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)

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AS 2434.3-1984

Methods for the analysis and testing of brown coal and brown coal char - Determination of the moisture holding capacity of lower rank coals

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Abstract

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