ISO 21398:2019Published

Hard coal and coke — Guidance to the inspection of mechanical sampling systems

Houille et coke — Lignes directrices pour l'inspection des systèmes d'échantillonnage mécanique

Abstract / scope

This document sets out recommended practices for the inspection of mechanical sampling systems. It serves as a guide for conformance with applicable ISO/TC 27 standards.

This document covers general considerations including precision, mineral variability and bias, establishment of inspection systems and inspection procedure.

Life cycle

Replaces

ISO 21398:2007WithdrawnHard coal and coke — Guidance to the inspection of mechanical sampling systemsInternational Standard · Published 31 May 2007 · ISO/TC 27/SC 4