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Simultaneous GC derivatization and quantification of acids and sugars

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Summary

N-methoxy-N,O-bistrimethylsilyl carbamate (BSMOC) has been introduced as a ‘one step’ derivatizing agent to determine nonvolatile acids and sugars in a single injection by gas-liquid chromatography. A systematic study has been carried out to optimize the derivatization conditions. Reproducibility data showed that>0.04 μg of acids in the presence of<6 μg of sugars can be measured with a relative standard error (R.S.E.) of 6.5% or less. After a simple preparation of fresh apple sample, sugars were converted to their methoximetrimethylsilyl and the acids to their trimethylsilyl derivatives, with BSMOC, simultaneously.

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Authors and Affiliations

  1. Institute of Inorganic and Analytical Chemistry, L. Eötvös University, P.O.Box 32, 1518, Budapest 112, Hungary

    M. Morvai-Vitányi & I. Molnár-Perl

  2. Institute of General and Inorganic Chemistry, L. Eötvös University, P.O.Box 32, 1518, Budapest 112, Hungary

    D. Knausz

  3. Faculty of Horticulture, University of Horticulture & Food Industry, Erdei F. Tér 1-3, 6001, Kecskemét

    P. Sass

Authors
  1. M. Morvai-Vitányi
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  2. I. Molnár-Perl
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  3. D. Knausz
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  4. P. Sass
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Morvai-Vitányi, M., Molnár-Perl, I., Knausz, D. et al. Simultaneous GC derivatization and quantification of acids and sugars. Chromatographia 36, 204–206 (1993). https://doi.org/10.1007/BF02263864

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  • DOI: https://doi.org/10.1007/BF02263864

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