ISO - 5073
Brown coals and lignites — Determination of humic acids
active, Most Current
| Organization: | ISO |
| Publication Date: | 1 December 2021 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Coals): | 73.040 |
scope:
This document specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.
Document History
5073
December 1, 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.
May 1, 2013
Brown coals and lignites - Determination of humic acids
This International Standard specifies volumetric methods for the determination of
a) Total humic acids, and
b) Free humic acid,
of brown coals and lignites.
December 1, 1999
Brown Coals and Lignites - Determination of Humic Acids
A description is not available for this item.
January 1, 1985
Brown Coals and Lignites - Determination of Humic Acids
A description is not available for this item.