
Coal — Methods for petrographic analysis. Method of determining microscopically the reflectance of vitrinite.
STANDARD published on 29.10.2025
Designation standards: BS ISO 7404-5:2025
Publication date standards: 29.10.2025
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 27099 0 Status: Definitive