Abstract
AbstractMethodology is described for the determination of very low levels (≥ 100 ng/ml) of triclocarban and triclosan in blood. The technique involves the use of a special continuous distillation extraction apparatus for separating these bacteriostats from blood in a relatively selective and automatic manner. In this procedure the triclosan distills intact, while the triclocarban is hydrolyzed, and the hydrolysis products are distilled and extracted. In addition to describing the apparatus, data are presented on the completeness of the extraction procedure and recoveries from fortified blood samples. Final measurements of the bacteriostats are accomplished by electron capture gas chromatography following appropriate derivative formation to enhance detection sensitivity.
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