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Potentiometric titration of peptides and the starting materials and intermediates of their synthesis. I. Acidimetric determination of N-acetylamino acids

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Abstract

The potentiometric titration of N-acetylamino acids and their sodium salts in nitromethane-acetic anhydride (2:1) with a nitromethane solution of perchloric acid has been investigated. A procedure has been developed for the quantitative determination of N-acetylamino acids in the presence of acetic acid in aqueous solutions. A differentiation determination of N-acetylamino acids and their salts in the presence of sodium acetate has been carried out.

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Literature cited

  1. T. Niyazkhonov, A. Ya. Veveris, and L. B. Kuznetsova, Khim. Prir. Soedin., 496 (1983).

  2. B. A. Spintse, N. N. Podgornova, and A. Ya. Veveris, Khim. Prir. Soedin., 568 (1987).

  3. O. F. Faizullaev and K. K. Tokhirov, in: Abstracts of Lectures at the Vth All-Union Conference on the Analytical Chemistry of Organic Compounds [in Russian], Moscow (1984), p. 262.

  4. A. Ya. Veveris, B. A. Spintse, I. A. Luse, and K. M. Ziemelis, Khim. Prir. Soedin., 718 (1987).

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  1. A. Ya. Veveris
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  2. B. A. Stintse
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Additional information

All-Union Scientific-Research Institute of Applied Biochemistry, Biolar Scientific-Industrial Association, Olaine. Translated from Khimiya Prirodnykh Soedinenii, Vol. 6, pp. 830–834, November–December, 1989.

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Veveris, A.Y., Stintse, B.A. Potentiometric titration of peptides and the starting materials and intermediates of their synthesis. I. Acidimetric determination of N-acetylamino acids. Chem Nat Compd 25, 704–707 (1989). https://doi.org/10.1007/BF00598271

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  • DOI: https://doi.org/10.1007/BF00598271

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