Table of Contents

<toc>
<bookmarktable>
<bookmark index=&apos;0&apos;>
<pageno>1</pageno>
<text>AS 1038.9.1-2000 COAL AND COKE-ANALYSIS AND TESTING - HIGHER RANK COAL AND COKE-PHOSPHORUS-ASH DIGESTION/MOLYBDENUM BLUE METHOD</text>
<bookmark index=&apos;1&apos;>
<pageno>4</pageno>
<text>PREFACE</text>
</bookmark>
<bookmark index=&apos;2&apos;>
<pageno>4</pageno>
<text>CONTENTS</text>
</bookmark>
<bookmark index=&apos;3&apos;>
<pageno>5</pageno>
<text>1 SCOPE</text>
</bookmark>
<bookmark index=&apos;4&apos;>
<pageno>5</pageno>
<text>2 REFERENCED DOCUMENTS</text>
</bookmark>
<bookmark index=&apos;5&apos;>
<pageno>5</pageno>
<text>3 DEFINITIONS</text>
<bookmark index=&apos;6&apos;>
<pageno>5</pageno>
<text>3.1 Higher rank coal</text>
</bookmark>
</bookmark>
<bookmark index=&apos;7&apos;>
<pageno>5</pageno>
<text>4 PRINCIPLE</text>
</bookmark>
<bookmark index=&apos;8&apos;>
<pageno>6</pageno>
<text>5 SAFETY</text>
</bookmark>
<bookmark index=&apos;9&apos;>
<pageno>6</pageno>
<text>6 REAGENTS</text>
<bookmark index=&apos;10&apos;>
<pageno>6</pageno>
<text>6.1 General</text>
</bookmark>
<bookmark index=&apos;11&apos;>
<pageno>6</pageno>
<text>6.2 Solutions</text>
<bookmark index=&apos;12&apos;>
<pageno>6</pageno>
<text>6.2.1 Hydrofluoric acid, ( p20 1.15 g/mL), 40 percent m/m</text>
</bookmark>
<bookmark index=&apos;13&apos;>
<pageno>6</pageno>
<text>6.2.2 Sulfuric acid solution (5 mol/L)</text>
</bookmark>
<bookmark index=&apos;14&apos;>
<pageno>6</pageno>
<text>6.2.3 Sodium hydroxide solution (5 mol/L)</text>
</bookmark>
<bookmark index=&apos;15&apos;>
<pageno>6</pageno>
<text>6.2.4 Phenolphthalein indicator</text>
</bookmark>
<bookmark index=&apos;16&apos;>
<pageno>6</pageno>
<text>6.2.5 Ammonium molybdate solution (60 g/L)</text>
</bookmark>
<bookmark index=&apos;17&apos;>
<pageno>6</pageno>
<text>6.2.6 Ascorbic acid solution (50 g/L)</text>
</bookmark>
<bookmark index=&apos;18&apos;>
<pageno>6</pageno>
<text>6.2.7 Antimony potassium tartrate solution (1.36 g/L)</text>
</bookmark>
<bookmark index=&apos;19&apos;>
<pageno>6</pageno>
<text>6.2.8 Reagent solution</text>
</bookmark>
</bookmark>
<bookmark index=&apos;20&apos;>
<pageno>7</pageno>
<text>6.3 Standard solutions</text>
<bookmark index=&apos;21&apos;>
<pageno>7</pageno>
<text>6.3.1 Standard phosphorus solution (1 mL = 100 &#181;g P)</text>
</bookmark>
<bookmark index=&apos;22&apos;>
<pageno>7</pageno>
<text>6.3.2 Dilute standard phosphorus solution (1 mL = 1 &#181;g P)</text>
</bookmark>
</bookmark>
</bookmark>
<bookmark index=&apos;23&apos;>
<pageno>7</pageno>
<text>7 APPARATUS</text>
<bookmark index=&apos;24&apos;>
<pageno>7</pageno>
<text>7.1 General</text>
</bookmark>
<bookmark index=&apos;25&apos;>
<pageno>7</pageno>
<text>7.2 Platinum crucibles</text>
</bookmark>
<bookmark index=&apos;26&apos;>
<pageno>7</pageno>
<text>7.3 Sand bath or hot plate</text>
</bookmark>
<bookmark index=&apos;27&apos;>
<pageno>7</pageno>
<text>7.4 Spectrophotometer</text>
</bookmark>
<bookmark index=&apos;28&apos;>
<pageno>7</pageno>
<text>7.5 Weighing device</text>
</bookmark>
<bookmark index=&apos;29&apos;>
<pageno>7</pageno>
<text>7.6 Ashing dishes</text>
</bookmark>
</bookmark>
<bookmark index=&apos;30&apos;>
<pageno>7</pageno>
<text>8 SAMPLE</text>
<bookmark index=&apos;31&apos;>
<pageno>7</pageno>
<text>8.1 General</text>
</bookmark>
<bookmark index=&apos;32&apos;>
<pageno>7</pageno>
<text>8.2 Equilibration</text>
</bookmark>
</bookmark>
<bookmark index=&apos;33&apos;>
<pageno>7</pageno>
<text>9 PROCEDURE</text>
<bookmark index=&apos;34&apos;>
<pageno>7</pageno>
<text>9.1 Number of determinations</text>
</bookmark>
<bookmark index=&apos;35&apos;>
<pageno>8</pageno>
<text>9.2 Blank test</text>
</bookmark>
<bookmark index=&apos;36&apos;>
<pageno>8</pageno>
<text>9.3 Mass of test portion</text>
</bookmark>
<bookmark index=&apos;37&apos;>
<pageno>8</pageno>
<text>9.4 Ashing procedure</text>
</bookmark>
<bookmark index=&apos;38&apos;>
<pageno>8</pageno>
<text>9.5 Decomposition of ash</text>
</bookmark>
<bookmark index=&apos;39&apos;>
<pageno>8</pageno>
<text>9.6 Determination of phosphorus</text>
<bookmark index=&apos;40&apos;>
<pageno>8</pageno>
<text>9.6.1 Colour development and measurement</text>
</bookmark>
<bookmark index=&apos;41&apos;>
<pageno>9</pageno>
<text>9.6.2 Calibration</text>
</bookmark>
</bookmark>
</bookmark>
<bookmark index=&apos;42&apos;>
<pageno>9</pageno>
<text>10 CALCULATION</text>
</bookmark>
<bookmark index=&apos;43&apos;>
<pageno>10</pageno>
<text>11 REPORTING OF RESULT</text>
</bookmark>
<bookmark index=&apos;44&apos;>
<pageno>10</pageno>
<text>12 PRECISION</text>
</bookmark>
<bookmark index=&apos;45&apos;>
<pageno>10</pageno>
<text>13 TEST REPORT</text>
</bookmark>
</bookmark>
</bookmarktable>
</toc>

Abstract

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.

Scope

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.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
ProductNote	Reconfirmed 06-08-2013
Pages
ISBN
Committee	MN-001
Supersedes	DR 99275 CP AS 1038.9.3-1991