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Fulvic Acid

A water-soluble, natural organic substance of low molecular weight which is derived from humus often found in surface water. Fulvic acid contributes to the formation of trihalomethanes in chlorinated water supplies and can contribute to organic fouling of ion exchange resin beds. Fulvic acids are chelating agents that can bind and hold metal ions in solution, and are particularily involved in the solubilization and transport of iron in water. Fulvic acid compounds are associated with color in water. These yellow-brown materials frequently are encountered along with soluble iron. See Also: Chelation Chelating Agent Organic Iron Trihalomethanes (THMs) Humic Acid Humic Substances Humin Tannin Chelation Chelating Agent Organic Iron Trihalomethanes (THMs) Humic Acid Humin Tannin Humic Substances