Standard
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AS 1038.22-2000
[Current]Coal and coke — Analysis and testing, Part 22: Higher rank coal — Mineral matter and water of constitution
Sets out two methods for the determination of mineral matter in coal, and a method for determination of water of constitution.
Published: 10/01/2000
Pages: 16
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Referenced documents
3 Definitions
4 Safety
5 Sample
5.1 General
5.2 Equilibration
6 Determination of mineral matter by radio-frequency oxygen plasma oxidation
6.1 Principle
6.2 Apparatus
6.2.1 Radio-frequency asher (RF asher)
6.2.2 Vacuum pump
6.2.3 Combustion boats
6.2.4 Weighing device
6.3 Procedure
6.4 Comments on procedure
6.4.1 Sample loading
6.4.2 Sulfation
6.4.3 Carbonation
6.4.4 Dehydration of gypsum
7 Determination of mineral matter by air oxidation at 370°C
7.1 Principle
7.2 Apparatus
7.2.1 Air oven
7.2.2 Combustion boats
7.2.3 Weighing device
7.2.4 Humidifier
7.3 Procedure
7.4 Comments on procedure
7.4.1 Sample loading
7.4.2 Carbonation
7.4.3 Dehydration of gypsum
8 Calculations
8.1 Basis of calculation
8.2 Mineral matter in coal
8.2.1 Radio-frequency oxygen plasma oxidation
8.2.2 Air oxidation at 370°C
9 Water of constitution
10 Use of mineral matter (percent) and water of constitution (percent) in dry, mineral matter-free basis calculations
11 Reporting of results
12 Precision
13 Test report
Appendix A
Appendix B
Cited references in this standard
[Withdrawn]
Coal and coke — Analysis and testing, Part 3: Proximate analysis of higher rank coal
[Withdrawn]
Coal and coke — Analysis and testing, Part 6.1: Higher rank coal and coke — Ultimate analysis — Carbon and hydrogen
[Withdrawn]
Coal and coke — Analysis and testing, Part 6.3.2: Higher rank coal and coke — Ultimate analysis — Total sulfur — High-temperature combustion method
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