
Hard coal and coke — Guidance to the inspection of mechanical sampling systems
NORMA vydaná dňa 15.10.2019
Označenie normy: ISO 21398:2019-ed.2.0
Dátum vydania normy: 15.10.2019
Počet strán: 23
Približná hmotnosť: 69 g (0.15 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.