Enantiomeric Ratios as Tracers of Soil-Air Exchange for Organochlorine Pesticides

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Title:	Enantiomeric Ratios as Tracers of Soil-Air Exchange for Organochlorine Pesticides
Author:	Amato, Sam J.
Description:	Past research has shown that selective degradation of enantiomers by microorganisms does occur. This work was done to determine concentrations and enantiomeric ratios of several chiral pesticides above an agricultural soil to determine if volatilization from the soil to the overlying air occurs. Quantitative analysis was done using gas chromatography with electron capture detection on a DB-5 capillary column. Concentrations were determined for five compounds (trans-Chlordane, cis-Chlordane, trans-Nonachlor, a-hexachlocyclohexane, and y-hexachlorocyclohexane) at varying heights above an agricultural soil for the week of June 21-26, 1998. Trans-Nonachlor was found to be the highest in concentration for the five pesticides while a-hexachlorocyclohexane was the lowest. Concentration gradients were determined for all five compounds.
Permanent Link:	http://rave.ohiolink.edu/etdc/view?acc_num=ysu999015207 http://hdl.handle.net/2374.OX/3095
Date:	1999

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