Project No.ISO 5073:2021
Title<p>This document specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.</p>
Registration number (WIID)79744
Scope<p>This document specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.</p>
StatusStandarts spēkā
ICS group73.040