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AS 1038.14.2-1995

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Coal and coke - Analysis and testing Higher rank coal ash and coke ash - Major and minor elements - Acid digestion/flame atomic absorption spectrometric method
Available format(s)

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

Superseded date

06-30-2017

Language(s)

English

Published date

04-05-1995

Preview

1 - AS 1038.14.2-1995 COAL AND COKE - ANALYSIS AND TESTING - HIGHER RANK COAL ASH AND COKE ASH - MAJOR AND MINOR ELEMENTS - ACID
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
7 - 2 REFERENCED DOCUMENTS
7 - 3 DEFINITIONS
7 - 3.1 Ash
7 - 3.2 Coke
7 - 3.3 Higher rank coal
7 - 4 PRINCIPLE
7 - 5 SAFETY
7 - 6 REAGENTS
7 - 6.1 General
8 - 6.2 Boric acid
8 - 6.3 Solutions
8 - 6.4 Standard solutions
9 - 6.5 Diluted standard solutions
9 - 6.6 Calibration solutions
10 - 7 APPARATUS
10 - 7.1 General
10 - 7.2 Atomic absorption spectrometer
10 - 7.3 Polytetrafluoroethylene (PTFE) decomposition vessel
10 - 7.4 Polypropylene digestion bottles
10 - 7.5 Plastic bottles
10 - 7.6 Oven
10 - 7.7 Sand bath
11 - 7.8 Boiling-water bath or ultrasonic bath
11 - 7.9 Weighing device
11 - 8 SAMPLE PREPARATION
12 - 9 DETERMINATION OF ALUMINIUM, CALCIUM, IRON, MAGNESIUM, MANGANESE, POTASSIUM, SILICON, SODIUM AND TITANIUM
12 - 9.1 Number of determinations
12 - 9.2 Blank test
12 - 9.3 Check test
12 - 9.4 Determination
14 - 9.5 Measurement
14 - 10 CALCULATION
14 - 11 REPORTING OF RESULTS
15 - 12 PRECISION
15 - 13 TEST REPORT
16 - APPENDIX A - PRECISION DATA FOR ELEMENTAL ANALYSIS OF COAL ASH AND COKE ASH

Sets out methods for the determination of silicon, aluminium, iron, calcium, magnesium, sodium, potassium, titanium and manganese in higher rank coal ash and coke ash by flame atomic absorption spectrometry after acid digestion. A spectrophotometric method for the determination of phosphorus, and methods for the determination of sulfur, are also referenced.

This Standard sets out methods for the determination of silicon, aluminium, iron, calcium, magnesium, sodium, potassium, titanium and manganese in higher rank coal ash and coke ash by flame atomic absorption spectrometry after acid digestion.NOTE: Although a volumetric approach has been specified for solution preparation, a gravimetric alternative may be used.A spectrophotometric method for the determination of phosphorus and a method for the determination of sulfur are also referenced.This method is applicable to the determination of the elements listed in Clause 1 (expressed as oxides), in the concentration ranges specified in Table 1.Table 1 has been devised to accommodate any type of ash that is likely to arise from Australian higher rank coals or cokes.NOTE: The results in Appendix A have been obtained from test work carried out on the available samples. Although testing was not carried out with a comprehensive range of likely coal compositions, the method is expected to apply over the wider ranges covered by the calibration standards and indicated in Table 1.

Committee
MN-001
DocumentType
Standard
ISBN
0 7262 9585 X
Pages
13
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision see DR 03380 CP First published as AS 1038.14.2-1985.Second edition 1995. First published as AS 1038.14.2-1985. Second edition 1995.

AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.16-1996 Coal and coke - Analysis and testing - Assessment and reporting of results
AS 2096-1987 Classification and coding systems for Australian coals (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.6.3.2-1997 Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Total sulfur - High-temperature combustion method
AS 2134.1-1999 Recommended practice for chemical analysis by atomic absorption spectrometry Flame atomic absorption spectrometry (Reconfirmed 2016)
AS 2706-1984 Numerical values - Rounding and interpretation of limiting values
AS 1038.9.3-1991 Coal and coke - Analysis and testing Coal and coke - Phosphorus - Ash digestion method
AS 1038.3-1989 Coal and coke - Analysis and testing - Proximate analysis of higher rank coal
AS 1038.4-1995 Coal and coke - Analysis and testing Coke - Proximate analysis

AS 2519-1993 Guide to the technical evaluation of higher rank coal deposits (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.16-1996 Coal and coke - Analysis and testing - Assessment and reporting of results
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)

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