AS 1038.10.2-1998

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1 - AS 1038.10.2-1998 COAL AND COKE-ANALYSIS AND TESTING - DETERMINATION OF TRACE ELEMENTS-COAL AND COKE-DETERMINATION OF ARSENIC...
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 4 PRINCIPLE
6 - 5 SAFETY
6 - 6 REAGENTS
6 - 6.1 General
7 - 6.2 Eschka mixture
7 - 6.3 Hydrochloric acid
7 - 6.4 Nitric acid
7 - 6.5 Potassium iodide solution 500 g/L
7 - 6.6 Sodium borohydride solution
7 - 6.7 Arsenic stock solution (100 mg/L)
7 - 6.8 Dilute arsenic stock solution (1mg/L)
7 - 6.9 Working arsenic standard (50 µg/L)
7 - 6.10 Antimony stock solution (100 mg/L)
7 - 6.11 Dilute antimony stock solution (1mg/L)
7 - 6.12 Working antimony standard (50 µg/L)
7 - 6.13 Selenium stock solution (100 mg/L)
8 - 6.14 Dilute selenium stock solution (1mg/L)
8 - 6.15 Working selenium standard (50 µg/L)
8 - 7 APPARATUS
8 - 7.1 General
8 - 7.2 Muffle furnace
8 - 7.3 Crucible
8 - 7.4 Silica plate
8 - 7.5 Receptacles
8 - 7.6 Atomic absorption spectrometer or atomic fluorescence spectrometer
8 - 7.7 Weighing device
8 - 8 SAMPLE
8 - 8.1 General
8 - 8.2 Equilibration of the sample
8 - 9 PROCEDURE
8 - 9.1 Blank determination
8 - 9.2 Preparation of test solution
9 - 9.3 Preparation of calibration standards
9 - 9.4 Preparation for measurement
9 - 9.4.1 Arsenic
9 - 9.4.2 Antimony
9 - 9.4.3 Selenium
10 - 10 MEASUREMENT BY ATOMIC ABSORPTION OR ATOMIC FLUORESCENCE SPECTROMETRY AFTER HYDRIDE GENERATION
10 - 11 CALCULATION
10 - 12 REPORTING OF RESULTS
10 - 13 PRECISION
11 - 14 TEST REPORT

Sets out a method for the determination of arsenic, antimony and selenium in higher rank coal and coke.

This Standard sets out a method for the determination of arsenic, antimony and selenium in higher rank coal and coke by hydride generation.

Originated as AS K152.10-1965.
Previous edition AS 1038.10-1980.
Revised and redesignated AS 1038.10.2-1998.