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RECORD NUMBER: 26 OF 63

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Main Title

Influence of Humic Substances on Photolysis of Nitroaromatic Compounds in Aqueous Systems.

Author

Simmons, M. S. ; Zepp, R. G. ;

CORP Author

Environmental Research Lab., Athens, GA. ;Michigan Univ., Ann Arbor. Dept. of Environmental and Industrial Health.

Year Published

1986

Report Number

EPA/600/J-86/182;

Stock Number

PB87-116455

Additional Subjects

Water ; Photolysis ; Nitrobenzenes ; Water pollution ; Nitro compounds ; Aromatic compounds ; Reaction kinetics ; Contaminants ; Reprints ; Nitrotoluenes ; Nitroxylenes

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB87-116455	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

Abstract

Results are reported for kinetic studies of the photolysis of 19 nitroaromatic compounds in water. The results indicate that dissolved humic substances in natural waters enhance the sunlight-induced photodegradation rates of nitrobenzenes, nitrotoluenes, and nitroxylenes compared to rates observed in distilled water. The largest enhancements, ranging from 2 to 26-fold, were observed for nitroaromatics that are methylated ortho to the nitro group. Similar enhancement effects were observed for humic substances obtained from a variety of terrigenous sources, including humus in natural waters and humus extracted from soils.

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