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Clinical Chemistry 32: 1026-1028, 1986;
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Clinical Chemistry, Vol 32, 1026-1028, Copyright © 1986 by American Association for Clinical Chemistry

Liquid-chromatographic determination of urinary pentachlorophenol

PP Chou and JL Bailey

We developed and evaluated a simple liquid-chromatographic method for urinary pentachlorophenol (PCIP) determination with ultraviolet detection. PCIP and the internal standard (2,3,5,6-tetrachlorophenol, TCP) were extracted with a solid-phase extraction column, and 50 microL of the collected eluate was injected into the chromatograph. The intra- assay and interassay CVs were 6.6% (n = 20) and 7.9% (n = 10), respectively. The analytical recoveries varied from 89% to 96%, with absolute recoveries ranging from 82% to 88%. Thirty urine specimens collected from 30 unexposed individuals were analyzed by the current method, and results were all less than the minimum detection limit, 0.25 mg/L. Results for five specimens from workers who had been exposed to PCIP ranged from 7.0 to 12.4 mg/L. The standard curve was linear to 300 mg/L. This procedure is adaptable to automated analysis, and therefore suitable for monitoring industrial exposure of workers.


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 Ann. N. Y. Acad. Sci.Home page
A. J. FERREIRA, D. N. VIEIRA, E. P. MARQUES, and I. S. PEDRO
Occupational Exposure to Pentachlorophenol: The Portuguese Situation
Ann. N.Y. Acad. Sci., December 26, 1997; 837(1): 291 - 299.
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