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Effect of NaBr, KCl, KBr, and MgCl2 on Viscosities of Aqueous Glycine and l-Alanine Solutions at 298.15 K

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Physical Chemistry Division, National Chemical Laboratory, Pune 411008, India
Cite this: J. Chem. Eng. Data 2005, 50, 3, 1083–1086
Publication Date (Web):March 10, 2005
https://doi.org/10.1021/je050048y
Copyright © 2005 American Chemical Society

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    Abstract

    Viscosities, η, of glycine and l-alanine are measured in aqueous solutions of NaBr, KCl, KBr, and MgCl2 up to high concentrations at 298.15 K. This study suggests that 1:1 electrolytes enhance the structure-making ability of the amino acids whereas MgCl2 does not. The viscosities of the above solutions are correlated using a simple model with two interaction parameters.

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     Permanent address:  MES Abasaheb Garware College, Pune 411004, India.

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     Corresponding author. E-mail:  [email protected]. Fax:  +91 20 25893044.

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    9. V.R. Karanth, Denthaje Krishna Bhat. Partial molar volume and partial molar isentropic compressibility study of glycine betaine in aqueous and aqueous KCl or MgCl2 solutions at temperatures T=288.15–318.15K. Thermochimica Acta 2013, 572 , 23-29. https://doi.org/10.1016/j.tca.2013.08.002
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    11. Dulal Chandra Kabiraz, Tapan Kumar Biswas, M. Entazul Huque. Volumetric studies of some electrolytes in water and in aqueous sodium dodecylsulfate solutions at different temperatures. Monatshefte für Chemie - Chemical Monthly 2010, 141 (10) , 1063-1068. https://doi.org/10.1007/s00706-010-0368-3
    12. Riyazuddeen, Imran Khan. Effect of KCl and KNO3 on Partial Molal Volumes and Partial Molal Compressibilities of Some Amino Acids at Different Temperatures. International Journal of Thermophysics 2009, 30 (2) , 475-489. https://doi.org/10.1007/s10765-008-0514-x
    13. C. Saritha, Dilip B. Satpute, Rohini Badarayani, Anil Kumar. Correlations of Thermodynamic Properties of Aqueous Amino Acid-Electrolyte Mixtures. Journal of Solution Chemistry 2009, 38 (1) , 95-114. https://doi.org/10.1007/s10953-008-9355-2
    14. Riyazuddeen, Imran Khan. Viscosity studies of (l-alanine-, l-proline, l-valine, l-leucine+aqueous KCl/KNO3) solutions at different temperatures. The Journal of Chemical Thermodynamics 2008, 40 (11) , 1549-1551. https://doi.org/10.1016/j.jct.2008.07.019
    15. T.S. Banipal, Damanjit Kaur, P.K. Banipal, Gagandeep Singh. Thermodynamic and transport properties of l-serine and l-threonine in aqueous sodium acetate and magnesium acetate solutions at T=298.15K. The Journal of Chemical Thermodynamics 2007, 39 (3) , 371-384. https://doi.org/10.1016/j.jct.2006.08.003
    16. Hua Zhao. Viscosity B-coefficients and standard partial molar volumes of amino acids, and their roles in interpreting the protein (enzyme) stabilization. Biophysical Chemistry 2006, 122 (3) , 157-183. https://doi.org/10.1016/j.bpc.2006.03.008

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