Total views : 446

Surface Tension and Derived Surface Thermodynamic Properties of Aqueous Sodium Salt of L-Phenylalanine

Affiliations

  • Research Centre for CO2 Capture (RCCO2C), Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskander, Perak Darul Ridzuan 32610, Malaysia

Abstract


Objectives: To investigate experimental data of surface tension of aqueous sodium salt of L-phenylalanine (Na-Phe) at temperatures ranging from 298.15 to 343.15 K and concentration ranging from 0.05 to 0.40 (w). Methodology: This work was carried out through an optical contact angle tensiometer (OCA 15 EC). It is a video based instrument which employs a pendant drop method for contact angle measurement. Findings: It was observed that surface tension values rise as aqueous Na-Phe concentration increases and decrease with the increase in system’s temperature. Experimental surface tension data were used to calculate the dervied surface thermodynamic properties such as surface enthalpy and entropy. Surface enthalpy was found to increase with concentration and tend to decrease with the rise in temperature. While, estimated surface entropy values were found to decrease with the increase in Na-Phe concentration. Temperature and concentration dependent empirical correlation was utilized to predict the surface tension data. A good agreement was found between the experimental and correlated data. Applications/Improvements: The findings reported in this study could be helpful significantly for the selection of appropriate solvent, and in the calculations for the efficient design of absorption column.

Keywords

L-Phenylalanine, Surface Tension, Sodium Salt, Surface Enthalphy, Surface Entropy.

Full Text:

 |  (PDF views: 396)

References


  • Birdi KS. Handbook of surface and colloid chemistry. CRC Press; 2014.
  • Shah A-u-HA, Ali K, Bilal S. Surface tension, surface excess concentration, enthalpy and entropy of surface formation of aqueous salt solutions. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2013 Jan; 417:183–90.
  • Ali K, Anwar ulH, Bilal S, Siddiqi S. Concentration and temperature dependence of surface parameters of some aqueous salt solutions. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2006 Jan; 272(1-2):105–10.
  • Prince M. Optimizing ultralow interfacial tension by altering surfactant concentration through emulsion test. Indian Journal of Science and Technology. 2014 Nov; 7(S7):10–2.
  • Águila-Hernandez J, Trejo A, Garcia-Flores BE. Surface tension and foam behaviour of aqueous solutions of blends of three alkanolamines, as a function of temperature. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2007 Oct; 308(1-3):33–46.
  • Zhao FY, Liang LY, Wang JY, Hu YQ. Density and surface tension of binary mixtures of 1-ethyl-3-methylimdazolium nitrate with alcohols. Chinese Chemical Letters. 2012 Nov; 23(11):1295–8.
  • Ali K, Shah A-u-HA, Bilal, S. Surface tensions and thermodynamic parameters of surface formation of aqueous salt solutions: III. Aqueous solution of KCl, KBr and KI. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2009 Apr; 337(1-3):194–9.
  • Holst Jv, Kersten SRA, Hogendoorn KJA. Physiochemical properties of several aqueous potassium amino acid salts. Journal of Chemical and Engineering Data. 2008 May; 53(6):1286–91.
  • Eide-Haugmo I, Brakstad OG, Hoff KA, Sørheim KR, da Silva EF, Svendsen HF. Environmental impact of amines. Energy Procedia. 2009 Feb; 1(1):1297–304.
  • Shaikh MS, Shariff AM, Bustam MA, Murshid G. Physicochemical properties of aqueous solutions of sodium l-prolinate as an absorbent for CO2 removal. Journal of Chemical and Engineering Data. 2014 Jan; 59(2):362–8.
  • Shaikh MS, Shariff AM, Bustam MA, Murshid G. Physicochemical properties of aqueous solutions of sodium glycinate in the non-precipitation regime from 298.15 to 343.15 K. Chinese Journal of Chemical Engineering. 2015 Mar; 23(3):536–40.
  • Harris F, Kurnia KA, Mutalib MIA, Thanapalan M. Solubilities of carbon dioxide and densities of aqueous sodium glycinate solutions before and after CO2 absorption. Journal of Chemical and Engineering Data. 2009 Jan; 54(1):144–7.
  • Blanco A, Garcia-Abuin A, Gomez-Diaz D, Navaza JM. Density, speed of sound, viscosity, and surface tension of dimethylethylenediamine + water and (ethanolamine + dimethylethanolamine) + water from T = (293.15 to 323.15) K. Journal of Chemical and Engineering Data. 2016 Jan; 61(1):188–94.
  • Murshid G, Shariff AM, Lau KK, Bustam MA, Ahmad F. Physical properties of Piperazine (PZ) activated aqueous solutions of 2-Amino-2-Hydroxymethyl-1,3-Propanediol (AHPD + PZ). Journal of Chemical and Engineering Data. 2011 Jan; 57(1):133–36.
  • Graber TA, Galleguillos HR, Cespedes C, Taboada ME. Density, refractive index, viscosity, and electrical conductivity in the Na2CO3 + Poly(ethylene glycol) + H2O system from (293.15 to 308.15) K. Journal of Chemical and Engineering Data. 2004 Jul; 49(5):1254–7.
  • Vazquez G, Alvarez E, Navaza JM, Rendo R, Romero E. Surface tension of binary mixtures of water + monoethanolamine and water + 2-amino-2-methyl-1-propanol and tertiary mixtures of these amines with water from 25°C to 50°C. Journal of Chemical and Engineering Data. 1997 Jan; 42(1):57–9.
  • Ali K, Shah A-u-HA, Bilal S, Azhar ulH. Thermodynamic parameters of surface formation of some aqueous salt solutions. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2008 Nov; 330(1):28–34.
  • Kita Y, Arakawa T, Lin T-Y, Timasheff SN. Contribution of the surface free energy perturbation to protein-solvent interactions. Biochemistry. 1994 Dec; 33(50):15178–89.
  • Matubayasi N, Yamaguchi S-i, Yamamoto K, Matsuo H. Thermodynamic quantities of surface formation of aqueous electrolyte solutions: II. Mixed aqueous solutions of NaCl and MgCl2. Journal of Colloid and Interface Science. 1999 Jan; 209(2):403–7.
  • Freire MG, Carvalho PJ, Fernandes AM, Marrucho IM, Queimada AJ, Coutinho JAP. Surface tensions of imidazolium based ionic liquids: Anion, cation, temperature and water effect. Journal of Colloid and Interface Science. 2007 Jun; 314(2):621–30.
  • Matubayasi N, Tsunetomo K, Sato I, Akizuki R, Morishita T, Matuzawa A, Natsukari Y. Thermodynamic quantities of surface formation of aqueous electrolyte solutions: IV. Sodium halides, anion mixtures, and sea water. Journal of Colloid and Interface Science. 2001 Nov; 243(2):444–56.
  • Muhammad A, Mutalib MIA, Wilfred CD, Murugesan T, Shafeeq A. Viscosity, refractive index, surface tension, and thermal decomposition of aqueous N-methyldiethanolamine solutions from (298.15 to 338.15) K. Journal of Chemical and Engineering Data. 2008 Aug; 53(9):2226–9.
  • Venkat A, Kumar G, Kundu M. Density and surface tension of aqueous solutions of (2-(methylamino)-ethanol +2-amino-2-methyl-1-propanol) and (2-(methylamino)-ethanol + N-methyl-diethanolamine) from (298.15 to 323.15) K. Journal of Chemical and Engineering Data. 2010 Sep; 55(11):4580–5.

Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.