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Journal of Structural Chemistry

2013 year, number 1

HYDRATION OF О±-ALANINE IN AQUEOUS SODIUM CHLORIDE AND UREA SOLUTIONS

V. P. Korolev, A. L. Serebryakova
Keywords: sodium chloride, urea, alanine, aqueous solutions, partial volumes, hydration numbers

Abstract

The hydration number of α-alanine in aqueous urea solutions is greater than in aqueous NaCl solutions; the ratio of the hydration numbers increases from 0.2 (m = 1) to ≈2 (m = 6). Given the same partial volumes of water, the hydration numbers of α-alanine in the two systems are close to each оthеr.