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Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
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Revista de Chimie (Rev. Chim.), Year 2013, Volume 64, Issue 6,





Viktoriia Plavan, Lucretia Miu, Iryna Gordienko, Aliya Ibragimova, Nadia Gavrilyuk
Determination of the Amino acid Composition, Structure and Properties of the Archaeological Leather Before and After Restoration

Abstract:

Specimens of new and archaeological leather before and after restoration were investigated. To conduct qualitative and quantitative analyses of amino acid composition of the new and archeological leather before and after restoration, ion-exchange liquid-column chromatography was employed. It was determined that both the ageing of leather and its further restoration affect the amount of polar amino acids in the leather, primarily lysine, arginine, and asparagine and glutamine amino acids. TG, DTG studies of the new and archeological leather before and after restoration allowed a conclusion to be drawn that the prevailing process in the thermal destruction of the new leather is the breakage of cross-linking formed in tanning. In its turn, the prevailing process in the thermal destruction of the restored leather is oxidation of the products of reaction between collagen and organic substances introduced during the restoration. Keywords: collagen, leather, amino acid composition, ion-exchange liquid-column chromatography thermal gravimetric studies


Issue: 2013, Volume 64, Issue 6
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