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ISO 7404-4 : 2017-08

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ISO 7404-4 : 2017-08

METHODS FOR THE PETROGRAPHIC ANALYSIS OF COALS - PART 4: METHOD OF DETERMINING MICROLITHOTYPE, CARBOMINERITE AND MINERITE COMPOSITION

International Organization for Standardization

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Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Material
6 Apparatus
7 Procedure
8 Expressions of results
9 Precision
10 Test report
Bibliography

Abstract

Gives a method, using a graticule with 20 crossline intersections, for determining the proportions of microlithotypes, carbominerite and minerite in coals.

General Product Information

Document Type Standard
Status Current
Publisher International Organization for Standardization
ProductNote Supersedes ISO/DIS 7404-4. (HRST 08/2017)
Committee TC 27
Supersedes
  • ISO/DIS 7404-4 : 60.00 (2017)