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ENANTIOMERIC COMPOSITION OF CHIRAL HALOACETIC ACID AND HALOACETONITRILE DISINFECTION BYPRODUCTS IN DRINKING WATER
Citation:
Wong, C S., A W. Garrison, AND S D. Richardson. ENANTIOMERIC COMPOSITION OF CHIRAL HALOACETIC ACID AND HALOACETONITRILE DISINFECTION BYPRODUCTS IN DRINKING WATER. Presented at 217th American Chemical Society National Meeting, Anaheim, CA, March 21-25, 1999.
Description:
Haloacetic acids and haloacetonitriles are well-known chlorine disinfection byproducts (DBPs), formed by the reaction of chlorine with natural organic matter. These compounds are of concern to public health because of their possible toxicological properties. Studies to date on the speciation of these compounds have not examined the enantiomeric composition of bromochloroacetic acid and bromochloroacetonitrile, the two chiral haloacetic DBPs. The enantiomers of these compounds may have different biological and toxicological properties, and may be formed enantioselectively by reaction with chiral centers in humic materials during disinfection. The occurrence and distribution of these chiral DBPs is studied in drinking water samples, and effects of disinfection conditions on the enantiomeric composition of these compounds is discussed.