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AS
AS 1038.10.4-2001

AS 1038.10.4-2001

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Coal and coke - Analysis and testing Determination of trace elements - Coal, coke and fly-ash - Determination of fluorine content - Pyrohydrolysis method (Reconfirmed 2013)

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

10-11-2023

Language(s)

English

Published date

29-06-2001

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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This Standard has been reconfirmed. To view or download the Reconfirmation Notice please click here.

1 - AS 1038.10.4-2001 COAL AND COKE-ANALYSIS AND TESTING - DETERMINATION OF TRACE ELEMENTS-COAL, COKE AND FLY-ASH-DETERMINATION O
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
7 - 5.2 Silica
7 - 5.3 Solutions for ISE measurement
7 - 5.3.1 Standard fluorine solution (1 g = 200 ug F)
7 - 5.3.2 Absorption solution (0.025 mol/L NaOH)
7 - 5.3.3 Unspiked buffered absorption solution (pH 6.5)
7 - 5.3.4 Buffer added after pyrohydrolysis (pH 6.5)
7 - 5.3.5 Solutions for conditioning fluoride ISE
7 - 5.4 Solutions for IC measurement
7 - 5.4.1 Standard fluorine solution (1 g = 200 ug F)
7 - 5.4.2 Absorption solution
7 - 5.5 Oxygen
7 - 6 APPARATUS
7 - 6.1 Vials
8 - 6.2 Polypropylene bottles (or polystyrene vials)
8 - 6.3 Polystyrene vials
8 - 6.4 Balances
8 - 6.5 Polyethylene dispensing bottles
8 - 6.6 Micropipette
8 - 6.7 Apparatus for tube furnace pyrohydrolysis (see Figure 1).
8 - 6.7.1 Steam generator
8 - 6.7.2 Silica tube furnace and accessories
9 - 6.7.3 Absorption vessel
9 - 6.7.4 Water jacket
9 - 6.8 ISE measurement apparatus
9 - 6.8.1 Magnetic stirrer
9 - 6.8.2 Electrodes
9 - 6.8.3 Multivolt meter
9 - 6.9 IC measurement apparatus
9 - 7 SAMPLE
9 - 7.1 Coal and coke
9 - 7.2 Fly-ash
9 - 8 PROCEDURE
9 - 8.1 Number of determinations
9 - 8.2 Blank tests
11 - 8.3 Test sample preparation
11 - 8.4 Pyrohydrolysis
11 - 8.4.1 Apparatus conditioning
11 - 8.4.2 Pyrohydrolysis
11 - 8.4.3 Pyrohydrolysate processing
12 - 8.5 Solution measurement
12 - 8.5.1 General
12 - 8.5.2 Direct-comparsion ISE method
13 - 8.5.3 Analyte-addition ISE method
13 - 8.5.4 IC method
13 - 9 CALCULATIONS
13 - 9.1 General
14 - 9.2 Direct-comparison ISE method
14 - 9.3 IC method
14 - 9.4 Analyte-addition ISE method
15 - 10 REPORTING OF RESULT
15 - 11 PRECISION OF THE DETERMINATION
16 - 12 TEST REPORT
17 - APPENDIX A - DETERMINATION OF FLUORIDE ELECTRODE SLOPE, RESPONSE TIME AND RESPONSE CURVE
17 - A1 SCOPE
17 - A2 SLOPE AND RESPONSE TIME MEASUREMENT
17 - A3 SLOPE CALCULATION
19 - A4 WORKED EXAMPLE OF BLANK AND SLOPE MEASUREMENT BY DOUBLE ANALYTE ADDITION
20 - A5 WORKED EXAMPLE OF DETERMINATION OF FLUORINE IN COAL BY ISE MEASUREMENT BY SINGLE ANALYTE ADDITION

Sets out a procedure 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 7337 3922 9
Pages
15
ProductNote
Reconfirmed 06-08-2013
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

This Standard sets out a procedure 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.

Originated as AS 1038.10.4-1989.
Second edition 2001.

AS 2243.9-1991 Safety in laboratories - Recirculating fume cabinets
AS 1038.4-2006 Coal and coke - Analysis and testing Coke - Proximate analysis
AS 2850-1986 Chemical analysis - Interlaboratory test programs - For determining precision of analytical method(s) - Guide to the planning and conduct
AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 2243.8-1992 Safety in laboratories Fume cupboards
AS 2243.6-1990 Safety in laboratories - Mechanical aspects
AS 1038.3-2000 Coal and coke - Analysis and testing - Proximate analysis of higher rank coal
AS 2243.4-1998 Safety in laboratories - Ionizing radiations
AS 1038.16-1996 Coal and coke - Analysis and testing - Assessment and reporting of results
AS 2243.7-1991 Safety in laboratories - Electrical aspects
AS 4264.2-1996 Coal and coke - Sampling Coke - Sampling procedures (Reconfirmed 2013)
AS 2243.2-1990 Safety in laboratories - Chemical aspects
AS 2706-1984 Numerical values - Rounding and interpretation of limiting values
AS 4264.1-1995 Coal and coke - Sampling Higher rank coal - Sampling procedures
AS 1038.4-1995 Coal and coke - Analysis and testing Coke - Proximate analysis
AS 2243.3-1991 Safety in laboratories Microbiology
AS 2243.1-1990 Safety in laboratories General
AS 2706-2003 Numerical values - Rounding and interpretation of limiting values (Reconfirmed 2018)
AS 2243.5-1993 Safety in laboratories Non-ionizing radiations

AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 2519-1993 Guide to the technical evaluation of higher rank coal deposits (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.10.0-2002 Coal and coke - Analysis and testing Determination of trace elements - Guide to the determination of trace elements (Reconfirmed 2013)
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)

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