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ISO 21398:2019

Hard coal and coke — Guidance to the inspection of mechanical sampling systems ISO 21398:2019

Publication date:   Oct 15, 2019

General information

90.20 Standard under periodical review   Oct 15, 2024

ISO

ISO/TC 27/SC 4 Sampling

International Standard

73.040   Coals | 75.160.10   Solid fuels

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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

PREVIOUSLY

WITHDRAWN
ISO 21398:2007

NOW

PUBLISHED
ISO 21398:2019
90.20 Standard under periodical review
Oct 15, 2024