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ISO 5073:2021

Brown coals and lignites — Determination of humic acids

General information
Valid from 09.12.2021
ICS Groups
73.040 Coals
Directives or regulations
None
Standard history
Status
Date
Type
Name
09.12.2021
Main
06.05.2013
Main
This document specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.
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Standard monitoring