AS 2434.6.1-1986

1 - AS 2434.6.1-1986 METHODS FOR THE ANALYSIS AND TESTING OF LOWER RANK COAL AND ITS CHARS - ULTIMATE ANALYSIS OF LOWER RANK COAL
3 - PREFACE
3 - CONTENTS
4 - FOREWORD
5 - 1 SCOPE.
5 - 2 REFERENCED DOCUMENTS.
5 - 3 DEFINITIONS.
5 - 4 INTRODUCTION.
5 - 5 COAL SAMPLE.
5 - 5.1 General.
5 - 5.2 Preparation of air-dry coal.
5 - 5.3 Preparation of dry coal.
6 - 6 DETERMINATION OF CARBON AND HYDROGEN.
6 - 6.1 Introduction.
7 - 6.2 Combustion at 800°C (Liebig principle).
8 - 6.3 Combustion at 1350°C (high temperature method).
11 - 6.4 Calculation of results.
11 - 7 DETERMINATION OF NITROGEN.
11 - 7.1 Principle.
11 - 7.2 Apparatus.
11 - 7.3 Reagents.
11 - 7.4 Procedure.
17 - 7.5 Calculation of result.
17 - 8 DETERMINATION OF TOTAL SULPHUR.
17 - 8.1 Introduction.
17 - 8.2 Eschka method.
19 - 8.3 High temperature combustion method.
21 - 9 DETERMINATIONOF CARBONATE CARBON.
21 - 10 REPORTING OF RESULTS.
21 - 11 PRECISION OF THE DETERMINATIONS.
21 - 12 TEST REPORT.

Sets out two methods, viz. Liebig principle and high temperature method, for determining carbon and hydrogen, a method for determining nitrogen and two methods, viz. Eschka and high temperature combustion methods, for determining total sulphur in lower rank coal. Precision data are provided.

This standard sets out the method of determining the ultimate analysis of lower rank coals and char in terms of their carbon, hydrogen, nitrogen and sulphur contents.

Reconfirmed 1993
Under Revision see DR 02276 CP