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What is Humic Substances Extraction Methods about?
This document discusses different methods for analyzing humic substances, specifically humic acids and fulvic acids. It describes the classical extraction method which uses alkali to extract soluble humic substances from solid media, then treats the extract with acid to precipitate out humic acids while leaving fulvic acids soluble. It notes flaws in the traditional CDFA method and variants. It also outlines methods like the HPTA protocol that aim to improve extraction and separation of humic and fulvic aci
- Author
- Motasem Kelany
- Language
- EN