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AS 2434.7-2002

AS 2434.7-2002

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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)

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

01-10-2002

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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This Standard has been reconfirmed. To view or download the Reconfirmation Notice please click here.

1 - AS 2434.7-2002 METHODS FOR THE ANALYSIS AND TESTING OF LOWER RANK COAL AND ITS CHARS - LOWER RANK COAL-DETERMINATION OF...
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 4 SAFETY
6 - 5 SAMPLE
6 - 5.1 General
6 - 5.2 Equilibration of the sample
7 - 6 DETERMINATION OF MOISTURE IN THE ANALYSIS SAMPLE
7 - 6.1 Direct gravimetric method
7 - 6.1.1 Principle
7 - 6.1.2 Reagents
7 - 6.1.3 Apparatus
8 - 6.1.4 Procedure
8 - 6.1.5 Calculation
8 - 6.2 Indirect method
8 - 6.2.1 Principle
9 - 6.2.2 Reagents
9 - 6.2.3 Apparatus
9 - 6.2.4 Procedure
9 - 6.2.5 Calculation of moisture content
10 - 7 REPORTING OF RESULTS
10 - 8 PRECISION
10 - 9 TEST REPORT

Specifies two procedures for the determination of moisture in the analysis sample of lower rank coal.

Committee
MN-001
DocumentType
Standard
ISBN
0 7337 4856 2
Pages
10
ProductNote
Reconfirmed 12-08-2013
PublisherName
Standards Australia
Status
Current
Supersedes

This Standard sets out two procedures for the determination of moisture in the analysis sample of lower rank coal, viz. direct gravimetric method, where the water is absorbed into magnesium perchlorate and weighed, and an indirect method, where the difference in the mass of the coal before and after drying is measured. Both methods involve drying under nitrogen.

Originated as AS 2434.7-1986.
Second edition 2002.

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AS 4264.3-1996 Coal and coke - Sampling Lower rank coal - Sampling procedures
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AS 2508.3.004-1982 Safe storage and handling information card - Acrylates (methyl, ethyl)
AS 2508.8.003-1990 Safe storage and handling information card - Sodium hypochlorite Hypochlorite solutions
AS 1152-1993 Specification for test sieves
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AS 2243.1-1990 Safety in laboratories General
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AS 2508.6.015-1983 Safe storage and handling information card - Methylene chloride (Dichloromethane)
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AS 2508.3.026-1995 Safe storage and handling information card - Propylene oxide
AS 2508.2.009-1984 Safe storage and handling information card - Oxygen (refrigerated liquid)
AS 2508.8.007-1990 Safe storage and handling information card - Nitric acid
AS 2508.5.003-1990 Safe storage and handling information card - Calcium hypochlorite
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AS 2508.3.034-1984 Safe storage and handling information card - Pentanes
AS 2508.6.009-1990 Safe storage and handling information card - 1,1,1-trichloroethane (Methylchloroform)
AS 2508.8.017-1988 Safe storage and handling information card - Aluminium chloride (Anhydrous)
AS 2508.8.018-1995 Safe storage and handling information card - Formaldehyde solutions (with not less than 25 percent formaldehyde)
AS 2508.8.013-1991 Safe storage and handling information card - Hydrofluoric acid (aqueous)
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AS 2508.2.002-1992 Safe storage and handling information card - Hydrogen (compressed)
AS 2508.6.014-1989 Safe storage and handling information card - Cyanides, inorganic (other than Sodium and Potassium Cyanides for which refer to AS 2508.6.002)
AS 2508.3.001-1982 Safe storage and handling information card - Acetone
AS 2508.8.010-1990 Safe storage and handling information cards for hazardous materials - Sulfuric acid (up to 98% m/m)
AS 2508.8.005-1992 Safe storage and handling information card - Acetic acid (containing more than 10 percent but not more than 80 percent acid, by mass, in water)
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AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)
AS 2508.2.004-1995 Safe storage and handling information card - Ammonia (anhydrous)
AS 2508.3.019-1983 Safe storage and handling information card - Methacrylates, HFP
AS 2243.6-1990 Safety in laboratories - Mechanical aspects
AS 2508.6.008-1989 Safe storage and handling information card - Ammonium thioglycolate
AS 2508.2.008-1984 Safe storage and handling information card - Oxygen (compressed)
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AS 2508.6.018-1989 Safe storage and handling information card - Lead arsenate and Lead aresenite
AS 2243.9-1991 Safety in laboratories - Recirculating fume cabinets
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AS 2508.8.004-1992 Safe storage and handling information card - Acetic acid (containing more than 80 percent acid, by mass, in water)
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AS 2508.6.001-1988 Safe storage and handling information card - Carbon tetrachloride (tetrachloromethane)
AS 2508.6.019-1995 Safe storage and handling information card - Lead alkyls
AS 2508.3.013-1984 Safe storage and handling information card - Methyl ethyl ketone (MEK)
AS 2508.2.006-1995 Safe storage and handling information card - Ethylene oxide
AS 2243.10-1993 Safety in laboratories - Storage of chemicals
AS 2508.3.018-1983 Safe storage and handling information card - Methyl isobutyl carbinol
AS 2508.8.014-1985 Safe storage and handling information card - Mercury metal
AS 2508.10.001-2000 Safe storage and handling information card - Agricultural and veterinary chemicals (Packaged products only)
AS 2243.4-1998 Safety in laboratories - Ionizing radiations
AS 2508.8.015-1988 Safe storage and handling information card - Dilute ammonia solution containing 10 percent up to 35 percent m/m ammonia
AS 2508.3.015-1992 Safe storage and handling information card - Toluene (toluol)
AS 2508.3.012-1982 Safe storage and handling information card - Styrene (vinyl benzene, styrene monomer)
AS 2508.3.010-1995 Safe storage and handling information card - Amines (isopropylamine, diethylamine, triethylamine)
AS 2243.5-1993 Safety in laboratories Non-ionizing radiations

AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 2434.8-2002 Methods for the analysis and testing of lower rank coal and its chars Lower rank coal - Determination of ash (Reconfirmed 2013) (Reconfirmed 2023)
AS 2434.1-1999 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)
AS 1038.6.4-2005 Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Carbon, hydrogen and nitrogen - Instrumental method
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)
AS 2434.9-2000 Method for the analysis and testing of lower rank coal and its chars Determination of four acid-extractable inorganic ions in lower rank coal (Reconfirmed 2013) (Reconfirmed 2023)

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