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Standard addition - A way of improving quantification of banned azo dyes in leather

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Author

  • Lars-Henric Ahlström
  • S Amon
  • Lennart Mathiasson

Summary, in English

An analytical procedure based on supercritical-fluid extraction and microwave-assisted extraction was applied on six different real leather samples for the determination of banned azo dyes. Determination of the dyes was performed indirectly by measuring their corresponding harmful aromatic amines, formed after reduction. A comparative study between external standard calibration and standard addition using both the dyes as well as the corresponding amines showed that the latter quantification method provided the highest accuracy.

Publishing year

2005

Language

English

Pages

2407-2412

Publication/Series

Journal of Separation Science

Volume

28

Issue

17

Document type

Journal article

Publisher

John Wiley & Sons Inc.

Topic

  • Analytical Chemistry

Status

Published

ISBN/ISSN/Other

  • ISSN: 1615-9314