NEN ISO 7404-4 : 2017
Current
Current
The latest, up-to-date edition.
METHODS FOR THE PETROGRAPHIC ANALYSIS OF COALS - PART 4: METHOD OF DETERMINING MICROLITHOTYPE, CARBOMINERITE AND MINERITE COMPOSITION
Published date
12-09-2017
Publisher
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Describes a method, using a graticule with 20 crossline intersections, for determining the proportions of microlithotypes, carbominerite and minerite in coals.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| ISO 7404-4:2017 | Identical |
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