ISO 5073:2021

Brown coals and lignites — Determination of humic acids

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

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

73.040

Statut:

Publié

Date de Publication:

2021-12-08

Numéro Standard:

ISO 5073:2021