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AS 1038.11-2002 (R2013)

AS 1038.11-2002 (R2013)

Coal and coke - Analysis and testing Coal - Forms of sulfur

Standards Australia

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Table of Contents

<toc>
<bookmarktable>
<bookmark index=&apos;0&apos;>
<pageno>1</pageno>
<text>AS 1038.11-2002 COAL AND COKE-ANALYSIS AND TESTING - COAL-FORMS OF SULFUR</text>
<bookmark index=&apos;1&apos;>
<pageno>4</pageno>
<text>PREFACE</text>
</bookmark>
<bookmark index=&apos;2&apos;>
<pageno>5</pageno>
<text>CONTENTS</text>
</bookmark>
<bookmark index=&apos;3&apos;>
<pageno>6</pageno>
<text>FOREWORD</text>
</bookmark>
<bookmark index=&apos;4&apos;>
<pageno>7</pageno>
<text>SECTION 1 SCOPE AND GENERAL</text>
<bookmark index=&apos;5&apos;>
<pageno>7</pageno>
<text>1.1 SCOPE</text>
</bookmark>
<bookmark index=&apos;6&apos;>
<pageno>7</pageno>
<text>1.2 REFERENCED DOCUMENTS</text>
</bookmark>
<bookmark index=&apos;7&apos;>
<pageno>7</pageno>
<text>1.3 DEFINITIONS</text>
</bookmark>
<bookmark index=&apos;8&apos;>
<pageno>8</pageno>
<text>1.4 PRINCIPLE</text>
</bookmark>
<bookmark index=&apos;9&apos;>
<pageno>8</pageno>
<text>1.5 SAFETY</text>
</bookmark>
<bookmark index=&apos;10&apos;>
<pageno>8</pageno>
<text>1.6 SAMPLE</text>
<bookmark index=&apos;11&apos;>
<pageno>8</pageno>
<text>1.6.1 General</text>
</bookmark>
<bookmark index=&apos;12&apos;>
<pageno>9</pageno>
<text>1.6.2 Equilibration</text>
</bookmark>
</bookmark>
<bookmark index=&apos;13&apos;>
<pageno>9</pageno>
<text>1.7 REPORTING OF RESULTS</text>
</bookmark>
<bookmark index=&apos;14&apos;>
<pageno>9</pageno>
<text>1.8 PRECISION</text>
</bookmark>
<bookmark index=&apos;15&apos;>
<pageno>9</pageno>
<text>1.9 TEST REPORT</text>
</bookmark>
</bookmark>
<bookmark index=&apos;16&apos;>
<pageno>10</pageno>
<text>SECTION 2 DETERMINATION OF SULFATE SULFUR</text>
<bookmark index=&apos;17&apos;>
<pageno>10</pageno>
<text>2.1 PRINCIPLE</text>
</bookmark>
<bookmark index=&apos;18&apos;>
<pageno>10</pageno>
<text>2.2 REAGENTS</text>
<bookmark index=&apos;19&apos;>
<pageno>10</pageno>
<text>2.2.1 General</text>
</bookmark>
<bookmark index=&apos;20&apos;>
<pageno>10</pageno>
<text>2.2.2 Hydrochloric acid (rho20 1.18 g/mL)</text>
</bookmark>
<bookmark index=&apos;21&apos;>
<pageno>10</pageno>
<text>2.2.3 Hydrochloric acid (rho20 1.18 g/mL) diluted 1 + 1</text>
</bookmark>
<bookmark index=&apos;22&apos;>
<pageno>10</pageno>
<text>2.2.4 Ammonia solution (rho20 0.88 g/mL) diluted 1 + 2</text>
</bookmark>
<bookmark index=&apos;23&apos;>
<pageno>10</pageno>
<text>2.2.5 Barium chloride solution (100 g/L)</text>
</bookmark>
<bookmark index=&apos;24&apos;>
<pageno>10</pageno>
<text>2.2.6 Potassium sulfate solution (2 g/L)</text>
</bookmark>
<bookmark index=&apos;25&apos;>
<pageno>10</pageno>
<text>2.2.7 Methyl red indicator solution (0.2 g/L)</text>
</bookmark>
<bookmark index=&apos;26&apos;>
<pageno>10</pageno>
<text>2.2.8 Wetting agent</text>
</bookmark>
</bookmark>
<bookmark index=&apos;27&apos;>
<pageno>10</pageno>
<text>2.3 APPARATUS</text>
<bookmark index=&apos;28&apos;>
<pageno>10</pageno>
<text>2.3.1 General</text>
</bookmark>
<bookmark index=&apos;29&apos;>
<pageno>10</pageno>
<text>2.3.2 Weighing device</text>
</bookmark>
<bookmark index=&apos;30&apos;>
<pageno>10</pageno>
<text>2.3.3 Extraction flask</text>
</bookmark>
<bookmark index=&apos;31&apos;>
<pageno>10</pageno>
<text>2.3.4 Condenser</text>
</bookmark>
<bookmark index=&apos;32&apos;>
<pageno>11</pageno>
<text>2.3.5 Muffle furnace</text>
</bookmark>
<bookmark index=&apos;33&apos;>
<pageno>11</pageno>
<text>2.3.6 Plate</text>
</bookmark>
<bookmark index=&apos;34&apos;>
<pageno>11</pageno>
<text>2.3.7 Silica crucible</text>
</bookmark>
</bookmark>
<bookmark index=&apos;35&apos;>
<pageno>11</pageno>
<text>2.4 PROCEDURE</text>
<bookmark index=&apos;36&apos;>
<pageno>11</pageno>
<text>2.4.1 Number of determinations</text>
</bookmark>
<bookmark index=&apos;37&apos;>
<pageno>11</pageno>
<text>2.4.2 Blank test</text>
</bookmark>
<bookmark index=&apos;38&apos;>
<pageno>11</pageno>
<text>2.4.3 Determination</text>
</bookmark>
</bookmark>
<bookmark index=&apos;39&apos;>
<pageno>12</pageno>
<text>2.5 CALCULATION</text>
</bookmark>
</bookmark>
<bookmark index=&apos;40&apos;>
<pageno>13</pageno>
<text>SECTION 3 DETERMINATION OF PYRITIC SULFUR</text>
<bookmark index=&apos;41&apos;>
<pageno>13</pageno>
<text>3.1 PRINCIPLE</text>
</bookmark>
<bookmark index=&apos;42&apos;>
<pageno>13</pageno>
<text>3.2 EXTRACTION OF THE PYRITIC IRON</text>
<bookmark index=&apos;43&apos;>
<pageno>13</pageno>
<text>3.2.1 Reagents</text>
</bookmark>
<bookmark index=&apos;44&apos;>
<pageno>13</pageno>
<text>3.2.2 Apparatus</text>
</bookmark>
<bookmark index=&apos;45&apos;>
<pageno>13</pageno>
<text>3.2.3 Procedure</text>
</bookmark>
</bookmark>
<bookmark index=&apos;46&apos;>
<pageno>14</pageno>
<text>3.3 DETERMINATION OF PYRITIC IRON-TITRIMETRIC METHOD</text>
<bookmark index=&apos;47&apos;>
<pageno>14</pageno>
<text>3.3.1 Reagents</text>
</bookmark>
<bookmark index=&apos;48&apos;>
<pageno>15</pageno>
<text>3.3.2 Apparatus</text>
</bookmark>
<bookmark index=&apos;49&apos;>
<pageno>15</pageno>
<text>3.3.3 Determination</text>
</bookmark>
<bookmark index=&apos;50&apos;>
<pageno>16</pageno>
<text>3.3.4 Calculation of result</text>
</bookmark>
</bookmark>
<bookmark index=&apos;51&apos;>
<pageno>16</pageno>
<text>3.4 DETERMINATION OF PYRITIC IRON-SPECTROPHOTOMETRIC METHOD</text>
<bookmark index=&apos;52&apos;>
<pageno>16</pageno>
<text>3.4.1 Reagents</text>
</bookmark>
<bookmark index=&apos;53&apos;>
<pageno>16</pageno>
<text>3.4.2 Apparatus</text>
</bookmark>
<bookmark index=&apos;54&apos;>
<pageno>17</pageno>
<text>3.4.3 Procedure</text>
</bookmark>
<bookmark index=&apos;55&apos;>
<pageno>17</pageno>
<text>3.4.4 Preparation of calibration graph</text>
</bookmark>
<bookmark index=&apos;56&apos;>
<pageno>18</pageno>
<text>3.4.5 Calculation of result</text>
</bookmark>
</bookmark>
<bookmark index=&apos;57&apos;>
<pageno>18</pageno>
<text>3.5 DETERMINATION OF PYRITIC IRON-ATOMIC ABSORPTION SPECTROMETRIC METHOD</text>
<bookmark index=&apos;58&apos;>
<pageno>18</pageno>
<text>3.5.1 Reagents</text>
</bookmark>
<bookmark index=&apos;59&apos;>
<pageno>18</pageno>
<text>3.5.2 Apparatus</text>
</bookmark>
<bookmark index=&apos;60&apos;>
<pageno>18</pageno>
<text>3.5.3 Procedure</text>
</bookmark>
<bookmark index=&apos;61&apos;>
<pageno>19</pageno>
<text>3.5.4 Calibration graph</text>
</bookmark>
<bookmark index=&apos;62&apos;>
<pageno>19</pageno>
<text>3.5.5 Calculation of result</text>
</bookmark>
</bookmark>
</bookmark>
<bookmark index=&apos;63&apos;>
<pageno>20</pageno>
<text>SECTION 4 ORGANIC SULFUR</text>
</bookmark>
<bookmark index=&apos;64&apos;>
<pageno>21</pageno>
<text>APPENDIX A - DERIVATION OF FACTORS USED IN THE CALCULATIONS</text>
<bookmark index=&apos;65&apos;>
<pageno>21</pageno>
<text>A1 GENERAL</text>
</bookmark>
<bookmark index=&apos;66&apos;>
<pageno>21</pageno>
<text>A2 SULFATE SULFUR (see Clause 2.5)</text>
</bookmark>
<bookmark index=&apos;67&apos;>
<pageno>21</pageno>
<text>A3 PYRITIC SULFUR-TITRIMETRIC (see Clause 3.3.4)</text>
</bookmark>
<bookmark index=&apos;68&apos;>
<pageno>22</pageno>
<text>A4 PYRITIC SULFUR-SPECTROPHOTOMETRIC (see Clause 3.4.5)</text>
</bookmark>
<bookmark index=&apos;69&apos;>
<pageno>22</pageno>
<text>A5 PYRITIC SULFUR-ATOMIC ABSORPTION (see Clause 3.5.5)</text>
</bookmark>
</bookmark>
</bookmark>
</bookmarktable>
</toc>

Abstract

Sets out methods for the determination of sulfate sulfur, pyritic sulfur and organic sulfur in coal.

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 methods for the determination of sulfate sulfur, pyritic sulfur and organic sulfur in coal.
The methods are as follows:
(a) Sulfate sulfur is determined directly as a sulfate in a hydrochloric acid extract of the sample.
(b) Pyritic sulfur is calculated from the determination of iron soluble in nitric acid following removal of non-pyritic iron by hydrochloric acid.
(c) Organic sulfur is obtained by subtracting the sum of the pyritic sulfur and sulfate sulfur from the total sulfur, determined by one of the methods given in AS 1038.6.3.

General Product Information

Document Type Standard
Status Current
Publisher Standards Australia
ProductNote Reconfirmed 06-08-2013
Committee MN-001
Supersedes
  • AS 1038.11-1993
  • DR 02073 CP

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