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AS
AS 1038.9.1-2000

AS 1038.9.1-2000

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 Higher rank coal and coke - Phosphorus - Ash digestion/molybdenum blue 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Withdrawn date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

20-01-2000

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 1038.9.1-2000 COAL AND COKE-ANALYSIS AND TESTING - HIGHER RANK COAL AND COKE-PHOSPHORUS-ASH DIGESTION/MOLYBDENUM BLUE METHOD
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENTS
5 - 3 DEFINITIONS
5 - 3.1 Higher rank coal
5 - 4 PRINCIPLE
6 - 5 SAFETY
6 - 6 REAGENTS
6 - 6.1 General
6 - 6.2 Solutions
6 - 6.2.1 Hydrofluoric acid, ( p20 1.15 g/mL), 40 percent m/m
6 - 6.2.2 Sulfuric acid solution (5 mol/L)
6 - 6.2.3 Sodium hydroxide solution (5 mol/L)
6 - 6.2.4 Phenolphthalein indicator
6 - 6.2.5 Ammonium molybdate solution (60 g/L)
6 - 6.2.6 Ascorbic acid solution (50 g/L)
6 - 6.2.7 Antimony potassium tartrate solution (1.36 g/L)
6 - 6.2.8 Reagent solution
7 - 6.3 Standard solutions
7 - 6.3.1 Standard phosphorus solution (1 mL = 100 µg P)
7 - 6.3.2 Dilute standard phosphorus solution (1 mL = 1 µg P)
7 - 7 APPARATUS
7 - 7.1 General
7 - 7.2 Platinum crucibles
7 - 7.3 Sand bath or hot plate
7 - 7.4 Spectrophotometer
7 - 7.5 Weighing device
7 - 7.6 Ashing dishes
7 - 8 SAMPLE
7 - 8.1 General
7 - 8.2 Equilibration
7 - 9 PROCEDURE
7 - 9.1 Number of determinations
8 - 9.2 Blank test
8 - 9.3 Mass of test portion
8 - 9.4 Ashing procedure
8 - 9.5 Decomposition of ash
8 - 9.6 Determination of phosphorus
8 - 9.6.1 Colour development and measurement
9 - 9.6.2 Calibration
9 - 10 CALCULATION
10 - 11 REPORTING OF RESULT
10 - 12 PRECISION
10 - 13 TEST REPORT

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.

Committee
MN/1
DocumentType
Standard
ISBN
0 7337 3026 4
Pages
6
ProductNote
Reconfirmed 06-08-2013
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

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.

Originated as AS K152.9-1965.
Previous edition AS 1038.9.1-1992.
Second edition 2000.

AS 1038.4-2006 Coal and coke - Analysis and testing Coke - Proximate analysis
AS 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)
AS 1038.3-2000 Coal and coke - Analysis and testing - Proximate analysis of higher rank coal
AS 1038.16-2005 Coal and coke - Analysis and testing Assessment and reporting of results (Reconfirmed 2016)
AS 3753-2001 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry
AS 2706-2003 Numerical values - Rounding and interpretation of limiting values (Reconfirmed 2018)
AS 4264.2-1996 Coal and coke - Sampling Coke - Sampling procedures (Reconfirmed 2013)
AS 4264.1-1995 Coal and coke - Sampling Higher rank coal - Sampling procedures

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 2418-1995 Coal and coke - Glossary of terms (Reconfirmed 2013) (Reconfirmed 2023)

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