ISO-5073 › Historical Revision Information
Brown coals and lignites -- Determination of humic acids
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ISO 5073:2013 specifies volumetric methods for the determination of total humic acids and free humic acid of brown coals and lignites.
To find similar documents by classification:
73.040 (Coals Including lignites Coal products, see 75.160.10)
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Document Number
ISO 5073:1999
Revision Level
2ND EDITION
Status
Superseded
Publication Date
Dec. 1, 1999
Committee Number
ISO/TC 27/SC 5