Coal and coke - Analysis and testing Higher rank coal and coke - Phosphorus - Ash digestion/molybdenum blue method
Standards Australia
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<text>AS 1038.9.1-2000 COAL AND COKE-ANALYSIS AND TESTING - HIGHER RANK COAL AND COKE-PHOSPHORUS-ASH DIGESTION/MOLYBDENUM BLUE METHOD</text>
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<text>PREFACE</text>
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<text>CONTENTS</text>
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<text>1 SCOPE</text>
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<text>2 REFERENCED DOCUMENTS</text>
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<text>3 DEFINITIONS</text>
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<text>3.1 Higher rank coal</text>
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<text>4 PRINCIPLE</text>
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<text>5 SAFETY</text>
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<text>6 REAGENTS</text>
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<text>6.1 General</text>
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<text>6.2 Solutions</text>
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<text>6.2.1 Hydrofluoric acid, ( p20 1.15 g/mL), 40 percent m/m</text>
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<text>6.2.2 Sulfuric acid solution (5 mol/L)</text>
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<text>6.2.3 Sodium hydroxide solution (5 mol/L)</text>
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<text>6.2.4 Phenolphthalein indicator</text>
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<text>6.2.5 Ammonium molybdate solution (60 g/L)</text>
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<text>6.2.6 Ascorbic acid solution (50 g/L)</text>
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<text>6.2.7 Antimony potassium tartrate solution (1.36 g/L)</text>
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<text>6.2.8 Reagent solution</text>
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<text>6.3 Standard solutions</text>
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<text>6.3.1 Standard phosphorus solution (1 mL = 100 µg P)</text>
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<text>6.3.2 Dilute standard phosphorus solution (1 mL = 1 µg P)</text>
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<text>7 APPARATUS</text>
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<text>7.1 General</text>
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<text>7.2 Platinum crucibles</text>
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<text>7.3 Sand bath or hot plate</text>
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<text>7.4 Spectrophotometer</text>
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<text>7.5 Weighing device</text>
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<text>7.6 Ashing dishes</text>
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<text>8 SAMPLE</text>
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<text>8.1 General</text>
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<text>8.2 Equilibration</text>
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<text>9 PROCEDURE</text>
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<text>9.1 Number of determinations</text>
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<text>9.2 Blank test</text>
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<text>9.3 Mass of test portion</text>
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<text>9.4 Ashing procedure</text>
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<text>9.5 Decomposition of ash</text>
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<text>9.6 Determination of phosphorus</text>
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<text>9.6.1 Colour development and measurement</text>
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<text>9.6.2 Calibration</text>
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<text>10 CALCULATION</text>
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<text>11 REPORTING OF RESULT</text>
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<text>12 PRECISION</text>
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<text>13 TEST REPORT</text>
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Sets out a method for the spectrophotometric determination of phosphorus in higher rank coal and coke, or in the ash of these materials, as molybdenum blue.
RECONFIRMATION NOTICE
Technical Committee MN-001 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.
Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.
Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 15 July 2013.
The following are represented on Technical Committee MN-001:
Australasian Institute of Mining and Metallurgy
Australian Coal Association
Australian Coal Industry Reference Samples
Australian Coal Preparation Society
Bureau of Steel Manufacturers of Australia
Coalfield Geology Council of NSW
CSIRO Energy Technology
National Association of Testing Authorities Australia
National Generators Forum
The University of New South Wales
The University of Queensland
University of Newcastle
To view or download a copy of the reconfirmation notice please go to the reconfirmation link near the top of this page.
This Standard sets out a method for the determination of phosphorus in higher rank coal and coke or in the ash of these materials, as molybdenum blue, by spectrophotometry.
This method is applicable also to the determination of phosphorus as phosphorus pentoxide in coal ash and coke ash.
| Document Type | Standard |
| Status | Current |
| Publisher | Standards Australia |
| ProductNote | Reconfirmed 06-08-2013 |
| Committee | MN-001 |
| Supersedes |
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