Hard coal and coke — Guidance to the inspection of mechanical sampling systems
NORMA vydána dne 15.10.2019
Označení normy: ISO 21398:2019-ed.2.0
Datum vydání normy: 15.10.2019
Počet stran: 23
Přibližná hmotnost: 69 g (0.15 liber)
Země: Mezinárodní technická norma
Kategorie: 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.