Abstract / scope
This document sets out principles and procedures for testing the bias of test samples of coals or cokes, taken according to the ISO 13909 series.
ISO 13909-8:2025Published
Coal and coke — Mechanical sampling — Part 8: Methods of testing for bias
Charbon et coke — Échantillonnage mécanique — Partie 8: Méthodes de détection du biais