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CHEMICAL REACTIONS OF AQUATIC HUMIC MATERIALS WITH SELECTED OXIDANTS
Citation:
Christman, R., J. Johnson, D. Millington, AND A. Stevens. CHEMICAL REACTIONS OF AQUATIC HUMIC MATERIALS WITH SELECTED OXIDANTS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-83/117.
Description:
A study was conducted to identify the specific organic reaction products of natural aquatic humic materials with selected oxidants (KMnO4, HOCl, Cl02, O3 and monochloramine). Reaction products were identified by GC/MS after solvent extraction and derivatization. The two most reactive oxidants in terms of the number of identified products and overall yields were KMnO4 and HOCl. The macromolecular structure of aquatic humic and fulvic acids inferred from KMnO4 studies may consist of (a) single-ring aromatics with mainly three to six alkyl substituents, carboxylic acid, ketone, or hydroxyl groups, (b) short aliphatic carbon chains, and (c) polycyclic ring structures.