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AS 2434.1-1999

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Current

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Methods for the analysis and testing of lower rank coal and its chars Determination of the total moisture content of lower rank coal (Reconfirmed 2013) (Reconfirmed 2023)
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Language(s)

English

Published date

11-05-1999

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This Standard has been reconfirmed. To view or download the Reconfirmation Notice please click here.

1 - AS 2434.1-1999 METHODS FOR THE ANALYSIS AND TESTING OF LOWER RANK COAL AND ITS CHARS - DETERMINATION OF THE TOTAL MOISTURE...
4 - PREFACE
4 - CONTENTS
5 - SECTION 1 SCOPE AND GENERAL
5 - 1.1 SCOPE
5 - 1.2 REFERENCED DOCUMENTS
5 - 1.3 DEFINITIONS
5 - 1.4 SAFETY
6 - 1.5 SAMPLING AND SAMPLE PREPARATION
6 - 1.6 REPORTING OF RESULTS
6 - 1.7 PRECISION
6 - 1.8 TEST REPORT
7 - SECTION 2 TWO-STAGE METHOD
7 - 2.1 SCOPE OF SECTION
7 - 2.2 PRINCIPLE
7 - 2.3 REAGENTS
7 - 2.4 APPARATUS
8 - 2.5 TEST SAMPLE
8 - 2.6 PROCEDURE
9 - 2.7 CALCULATIONS
9 - 2.7.1 Free moisture
9 - 2.7.2 'Air-dry' moisture
9 - 2.7.3 Total moisture
10 - SECTION 3 SINGLE-STAGE METHOD
10 - 3.1 SCOPE OF SECTION
10 - 3.2 PRINCIPLE
10 - 3.3 REAGENTS
10 - 3.4 APPARATUS
10 - 3.5 TEST SAMPLE
10 - 3.6 PROCEDURE
11 - 3.7 CALCULATION
12 - SECTION 4 AZEOTROPIC DISTILLATION
12 - 4.1 SCOPE OF SECTION
12 - 4.2 PRINCIPLE
12 - 4.3 REAGENT
12 - 4.4 APPARATUS
12 - 4.5 TEST PORTION
12 - 4.6 PROCEDURE
13 - 4.7 CALCULATION

Sets out three methods for the determination of the total moisture content of lower rank coal.

This Standard sets out three methods for the determination of the total moisture content of lower rank coal. The first method is a two-stage procedure applicable to large (500 g) samples. The second method involves drying under a stream of flowing nitrogen, and is applicable only to laboratory samples with mass of about 10 g. The third method comprises an azeotropic distillation with toluene, and is applicable to a sample mass of 200 g to 500 g.This Standard is applicable to bed-moist coals or analysis samples, where the moisture is expected to exceed 15 percent.

Committee
MN-001
DocumentType
Standard
ISBN
0 7337 3030 2
Pages
10
ProductNote
Reconfirmed 12-08-2013
PublisherName
Standards Australia
Status
Current
Supersedes

First published as AS 2434.1-1981.Second edition 1991.Third edition 1999.Reconfirmed 2013. Originated as AS 2434.1-1981. Previous edition 1991. Third edition 1999.

AS 2434.7-2002 Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of moisture in the analysis sample (Reconfirmed 2013) (Reconfirmed 2023)
AS 2706-2003 Numerical values - Rounding and interpretation of limiting values (Reconfirmed 2018)
AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)
AS 4264.3-1996 Coal and coke - Sampling Lower rank coal - Sampling procedures
AS 1152-1993 Specification for test sieves
BS ISO 11760:2005 Classification of coals
03/314558 DC : DRAFT OCT 2003 BS ISO 11760 - COAL - CLASSIFICATION FOR UTILIZATION PURPOSES
ISO 11760:2005 Classification of coals

AS 2096-1987 Classification and coding systems for Australian coals (Reconfirmed 2013) (Reconfirmed 2023)
AS 4264.3-1996 Coal and coke - Sampling Lower rank coal - Sampling procedures
AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 1038.16-1996 Coal and coke - Analysis and testing - Assessment and reporting of results
AS 4264.1-2009 Coal and coke - Sampling Coal - Sampling procedures
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)

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