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ISO 5073:2021

Brown coals and lignites — Determination of humic acids

Publication date:   Dec 9, 2021

General information

60.60   Standard published   Dec 9, 2021

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals

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Scope

This document specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5073:2013

NOW

PUBLISHED
ISO 5073:2021
60.60 Standard published
Dec 9, 2021