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Gas chromatographic analysis of C1−C22 carboxylic acids esterified in aqueous solutions as n-propyl esters

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Summary

C1−C22 carboxylic acids have been esterified in aqueous solution with n-propanol. Gas chromatographic analyses have been performed from a single chromatogram. It has been proven that esterification in the concentration range of [H2O]/[n-PrOH]=0.022–8.45 can be utilized for the quantitative determination of these carboxylic acids.

The presence of water does not interfere in the range of [H2O]/[n-PrOH]=0.22–1.27.

In the cases of [H2O]/[n-PrOH]>1.27, anhydrous sodium sulfate has been used for binding the water, in an amount of [Na2SO4 anh.]/[H2O]>0.7.

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Authors and Affiliations

  1. Institute of Inorganic and Analytical Chemistry, L. Eötvös University, Budapest, Hungary

    I. Molnár-Perl & M. Morvai

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  1. I. Molnár-Perl
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  2. M. Morvai
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Molnár-Perl, I., Morvai, M. Gas chromatographic analysis of C1−C22 carboxylic acids esterified in aqueous solutions as n-propyl esters. Chromatographia 22, 329–332 (1986). https://doi.org/10.1007/BF02268784

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  • DOI: https://doi.org/10.1007/BF02268784

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