Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
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<strong>Environmental</strong> <strong>Geochemistry</strong>DM Sherman, University of Bristol2007/2008Nature of Humic/Fulvic Acids <strong>and</strong> Humin•Major form of organic matter in soils <strong>and</strong> freshwater.•Origins are still not fully understood but mainhypothesis is that humic/fulvic acids are derived fromthe breakdown of lignin.•Humic Acid = soluble at high pH only•Fulvic Acid = soluble over all pH values•Humin = not soluble at any pHOrganic Carbon in Aquatic systemsPage ‹#›
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