Methods for the petrographic analysis of coals — Part 2: Methods of preparing coal samples
NORM herausgegeben am 24.9.2009
Bezeichnung normen: ISO 7404-2:2009-ed.2.0
Ausgabedatum normen: 24.9.2009
Zahl der Seiten: 12
Gewicht ca.: 36 g (0.08 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: ISO 7404-2:2009 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.