ISO 5073:2021-ed.4.0

Brown coals and lignites — Determination of humic acids

STANDARD published on 9.12.2021

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The information about the standard:

Designation standards: ISO 5073:2021-ed.4.0
Publication date standards: 9.12.2021
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 5073:2021-ed.4.0 :

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