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What is Humic Acid Extraction Optimization about?

The study focuses on optimizing extraction methods and characterizing humic acid (HA) derived from various coals and composts. It reports that HA yields from coals ranged from 1.5% to 11.1%, while composts yielded between 4.2% and 16.5%, with humified peat and commercial leonardite containing higher percentages of HA. The research also highlights the influence of extraction frequency, sample-to-extractant ratio, and extracting agents on HA recovery, emphasizing the effectiveness of KOH as an extractant.

Author

JUAN ANDRES SERPA CUELLO

Language

EN