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AS 1038.10.4-1989

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Determination of trace elements - Coal, coke and fly-ash - Determination of fluorine content - Pyrohydrolysis method
Available format(s)

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Superseded date

06-30-2017

Published date

01-01-1989

Preview

1 - AS 1038.10.4-1989 METHODS FOR THE ANALYSIS AND TESTING OF COAL AND COKE - DETERMINATION OF TRACE ELEMENTS - COAL, COKE AND FL
4 - PREFACE
4 - CONTENTS
5 - FOREWORD
6 - 1 SCOPE.
6 - 2 REFERENCED DOCUMENTS.
6 - 3 PRINCIPLE.
6 - 4 SAFETY.
6 - 5 REAGENTS.
6 - 5.1 General.
6 - 5.2 Silica
6 - 5.3 Phosphoric acid
6 - 5.4 Solutions for ISE measurement.
6 - 5.5 Absorption solution for IC measurement.
6 - 5.6 Oxygen.
7 - 6 APPARATUS.
7 - 6.1 Phials
7 - 6.2 Polypropylene bottles (or polystyrene phials)
7 - 6.3 Polystyrene phials
7 - 6.4 Balances
7 - 6.5 Polyethylene dispensing bottles
7 - 6.6 Micropipette
7 - 6.7 Glass dropper bottle
7 - 6.8 Apparatus for tube-furnace pyrohydrolysis.
7 - 6.9 Apparatus for induction-furnace pyrohydrolysis.
9 - 6.10 ISE measurement apparatus.
9 - 6.11 IC measurement apparatus.
9 - 7 SAMPLE.
9 - 7.1 Coal and coke.
9 - 7.2 Fly-ash.
10 - 8 PROCEDURE.
10 - 8.1 Number of determinations.
10 - 8.2 Blank tests.
10 - 8.3 Test sample preparation.
10 - 8.4 Tube-furnace pyrohydrolysis.
10 - 8.5 Induction-furnace pyrohydrolysis.
11 - 8.6 Solution measurement.
12 - 9 CALCULATIONS.
12 - 9.1 General.
12 - 9.2 Direct-comparison ISE method following tube-furnace pyrohydrolysis.
12 - 9.3 IC method.
12 - 9.4 Analyte-addition ISE method following induction-furnace pyrohydrolysis
13 - 9.5 Analyte-addition ISE method following tube-furnace pyrohydrolysis.
13 - 10 REPORTING OF RESULT.
13 - 11 PRECISION OF THE DETERMINATION.
13 - 12 TEST REPORT.
14 - APPENDIX A - DETERMINATION OF FLUORIDE ELECTRODE SLOPE, RESPONSE TIME AND RESPONSE CURVE
14 - A1 SCOPE.
14 - A2 SLOPE AND RESPONSE TIME MEASUREMENT.
14 - A3 SLOPE CALCULATION.
15 - A4 WORKED EXAMPLE OF BLANK AND SLOPE MEASUREMENT BY DOUBLE ANALYTE ADDITION.
16 - A5 WORKED EXAMPLE OF DETERMINATION OF FLUORINE IN COAL BY INDUCTION-FURNACE PYROHYDROLYSIS FOLLOWED BY ISE MEASUREMENT BY SI

Sets out procedures for the pyrohydrolytic separation of fluorine from coal, coke and fly-ash, and for determination of fluorine by gravimetric processing and either ion potentiometry or ion chromatography.

This Standard sets out procedures for the pyrohydrolytic separation of fluorine from coal, coke and fly-ash and for determination of fluorine by gravimetric processing and either ion potentiometry or ion chromatography.

Committee
MN-001
DocumentType
Standard
ISBN
0 7262 5642 0
Pages
11
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Under revision see DR 00052

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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