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Method for the biological monitoring of hexahydrophthalic anhydride by the determination of hexahydrophthalic acid in urine using gas chromatography and selected-ion monitoring

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Author

  • Bo A Jönsson
  • Gunnar Skarping

Summary, in English

A method for the determination of hexahydrophthalic acid, a metabolite of hexahydrophthalic anhydride, in human urine has been developed. The urine was worked-up by liquid-solid extraction, esterified with boron trifluoride-methanol, and analysed by capillary gas chromatography and selected-ion monitoring. Hexadeuterium-labelled hexahydrophthalic acid was used as the internal standard. The precision was 4% at 0.7 microgram/ml and 5% at 0.07 microgram/ml. The recovery of the acid for the overall method was 101% at 0.07 micrograms/ml of urine (with a coefficient of variation of 4%) and 95% at 0.7 microgram/ml (coefficient of variation 2%). The limit of detection was 20 ng/ml urine.

Publishing year

1991

Language

English

Pages

117-131

Publication/Series

Journal of Chromatography A

Volume

572

Issue

1-2

Document type

Journal article

Publisher

Elsevier

Topic

  • Environmental Health and Occupational Health

Status

Published

ISBN/ISSN/Other

  • ISSN: 0021-9673