Abstract
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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General information
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Status: PublishedPublication date: 2021-12Stage: International Standard published [60.60]
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Edition: 4Number of pages: 7
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Technical Committee :ISO/TC 27/SC 5ICS :73.040
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Life cycle
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Previously
WithdrawnISO 5073:2013
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