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Guanidinium Cation Effect on the Water Activity of Ternary (S)​Aminopentanedioic Acid Sodium Salt Solutions at 298.15 and 310.15 K

Tsurko, Elena N. ; Neueder, Roland ; Held, Christoph ; Kunz, Werner



Abstract

Vapor pressure measurements were applied to the systems guanidinium hydrochloride (methanamidine hydrochloride) + sodium L-glutamate (S-aminopenthanedioic acid sodium salt) + water at varying concns. of GndmCl and Na-L-Glu (m(NaGlu) = 0.1-1.6 mol/kg; m (GndmCl) = 0.104 mol/kg, 0.301 mol/kg, 0.684 mol/kg) for two temps., T = 298.15 and 310.15 K. From the exptl. results, activities of water, ...

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