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

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Revista de Chimie (Rev. Chim.), Year 2005, Volume 56, Issue 1,





Conductivity and Viscosity Measurements for Binary Lysozyme Chloride Aqueous Solution and Ternary
Lysozyme-Salt-Water Solution

Abstract:

The conductimetric method, adequate to electrolytes, was used to determine the lysozyme charge in lys-water and ternary lys-salt-water systems. There were also measured the viscosities for the above binary and ternary systems in the same conditions at pH=4.5 and T=298 K, measurements that allow to see any effect of viscosity on cations mobilities and implicitly on the lysozyme charge. The method is illustrated for the lysozyme chloride aqueous solution system at 25 0C, using the data reported here for pH=4.5 at 0.15, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5 mM (mg/mL) lysozyme chloride concentrations. The method was also applied to ternary lys-salt-water systems in the same conditions at pH=4.5 and T=25 0C. Ternary conductivities are reported for a mean concentration 0.6 mM of lysozyme chloride in all systems and a mean concentration of 0.01, 0.025, 0.05, 0.1, 0.175, 0.2, 0.5, 0.7, 0.9, 1.2, 1.3 and 1.4 M for NaCl; 0.005, 0.01, 0.05, 0.1, 0.175, 0.2, 0.5, 0.7, 0.9, 1.2, 1.3, 1.4 and 1.5 M for KCl; 0.005, 0.01, 0.05, 0.1, 0.175, 0.2, 0.5, 0.7, 1.2, 1.3, 1.4, 1.5, 1.6 and 1.7 M for NH4Cl. Keywords: conductivity, viscosity, lysozyme chloride, aqueous solution, ternary lysozyme-salt-water solution

Issue: 2005, Volume 56, Issue 1
Pages:
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