NEN-ISO 5073
Brown coals and lignites - Determination of humic acids
inactive
| Organization: | NEN |
| Publication Date: | 1 January 2000 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Coals): | 73.040 |
scope:
Specifies volumetric methods for the determination of a) total humic acid,and b) free humic acid, of brown coals and lignites.
Document History
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.
June 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.
NEN-ISO 5073
January 1, 2000
Brown coals and lignites - Determination of humic acids
Specifies volumetric methods for the determination of a) total humic acid,and b) free humic acid, of brown coals and lignites.