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Geochemical induced degradation of environmental chemicals

Abstract

Attempts to correlate the concentration of organic chemicals in the environment with their production figures have resulted in a large deficit; this includes environmental chemicals such as chlorinated hydrocarbons. It has been assumed that analytical errors accounted for this deficit. Another explanation, however, allows for reactions of compounds under biotic and abiotic conditions. Because of the biostability of many organic chemicals biological transformation mechanisms can bring about slight change only. By contrast, abiotic environmental factors such as the UV-irradiation or decomposition on natural surfaces contribute considerably to the transformation of this substance class. An investigation of such abiotic charges of organic chemicals must therefore pay particular attention to dynamic and catalytic effects primarily attributable to the respective molecular state and interactions with the environment. This paper deals with the photoinduced reactions of organic substances adsorbed on natural surfaces and their significance for the degradability of environmental chemicals.
Authors:
Publication Date:
Sep 01, 1984
Product Type:
Journal Article
Reference Number:
FRG-84-15067; EDB-85-055777
Resource Relation:
Journal Name: Fresnius' Z. Anal. Chem.; (Germany, Federal Republic of); Journal Volume: 319:2
Subject:
54 ENVIRONMENTAL SCIENCES; ANTHRACENE; DECOMPOSITION; CHLORINATED AROMATIC HYDROCARBONS; ABSORPTION; ADSORPTION; ENVIRONMENT; OXIDATION; PHOTOCHEMICAL REACTIONS; TOXIC MATERIALS; ULTRAVIOLET RADIATION; ULTRAVIOLET SPECTRA; AROMATICS; CHEMICAL REACTIONS; CONDENSED AROMATICS; ELECTROMAGNETIC RADIATION; HALOGENATED AROMATIC HYDROCARBONS; HYDROCARBONS; MATERIALS; ORGANIC CHLORINE COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; RADIATIONS; SORPTION; SPECTRA; 510200* - Environment, Terrestrial- Chemicals Monitoring & Transport- (-1989)
OSTI ID:
5888339
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: ZACFA
Submitting Site:
HEDB
Size:
Pages: 114-118
Announcement Date:
Dec 01, 1984

Citation Formats

Parlar, H. Geochemical induced degradation of environmental chemicals. Germany: N. p., 1984. Web.
Parlar, H. Geochemical induced degradation of environmental chemicals. Germany.
Parlar, H. 1984. "Geochemical induced degradation of environmental chemicals." Germany.
@misc{etde_5888339,
title = {Geochemical induced degradation of environmental chemicals}
author = {Parlar, H}
abstractNote = {Attempts to correlate the concentration of organic chemicals in the environment with their production figures have resulted in a large deficit; this includes environmental chemicals such as chlorinated hydrocarbons. It has been assumed that analytical errors accounted for this deficit. Another explanation, however, allows for reactions of compounds under biotic and abiotic conditions. Because of the biostability of many organic chemicals biological transformation mechanisms can bring about slight change only. By contrast, abiotic environmental factors such as the UV-irradiation or decomposition on natural surfaces contribute considerably to the transformation of this substance class. An investigation of such abiotic charges of organic chemicals must therefore pay particular attention to dynamic and catalytic effects primarily attributable to the respective molecular state and interactions with the environment. This paper deals with the photoinduced reactions of organic substances adsorbed on natural surfaces and their significance for the degradability of environmental chemicals.}
journal = []
volume = {319:2}
journal type = {AC}
place = {Germany}
year = {1984}
month = {Sep}
}