ISO-5073 › Brown coals and lignites - Determination of humic acids

ISO-5073 - 4TH EDITION - CURRENT
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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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73.040 (Coals Including lignites Coal products, see 75.160.10)

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Document Number

ISO 5073:2021

Revision Level

4TH EDITION

Status

Current

Publication Date

Dec. 1, 2021

Committee Number

ISO/TC 27/SC 5