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Standard electrode potentials E° of Ag-AgC1 electrode in molality scale and acidityconstants of glyeine pK_1° at constant molality of NaCl (1.0 mol·kg~(-1)) in 5 and 15 mass%glucose-water mixed solvents over a range of temperatures from 278.15 to 318.15 K weredetermined from precise emf measurements.The dependence of acidity constant on temperatureis given as a function of the thermodynamic temperature T by an empirical equation, pK_1°=A_1(K/T)-A_2+A_3(T/K).The corresponding thermodynamic quantities of the first dissociationprocess of glycine were calculated and the effects of both tho solvent and the salt on themwere also discussed.
Standard electrode potentials E ° of Ag-AgCl electrode in molality scale and acidity conditions of glyeine pK_1 ° at constant molality of NaCl (1.0 mol · kg -1) in 5 and 15 mass% glucose-water mixed solvents over a range of temperatures from 278.15 to 318.15 K were determined from precise emf measurements. The dependence of acidity constant on temperature given as a function of the thermodynamic temperature T by an empirical equation, pK_1 ° = A_1 (K / T) -A_2 + A_3 (T / K ) The corresponding thermodynamic quantities of the first dissociation process of glycine were calculated and the effects of both tho solvent and the salt on themwe also also discussed.