Protonation Equilibria of L-Aspartic, Citric and Succinic Acids in Anionic Micellar Media | Zendy

P. Srinivasa Rao | Zendy; Srikanth Bathula | Zendy; V. Samba Siva Rao | Zendy; C. Kamala Sastry | Zendy; G. Nageswara Rao | Zendy

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Protonation Equilibria of L-Aspartic, Citric and Succinic Acids in Anionic Micellar Media

Author(s) -

P. Srinivasa Rao,

Srikanth Bathula,

V. Samba Siva Rao,

C. Kamala Sastry,

G. Nageswara Rao

Publication year - 2008

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2009/705976

Subject(s) - protonation , chemistry , ionic strength , aspartic acid , succinic acid , citric acid , inorganic chemistry , ionic bonding , mole fraction , organic chemistry , amino acid , ion , aqueous solution , biochemistry

The impact of sodium lauryl sulphate (SLS) on the protonation equilibria of L-aspartic acid, citric acid and succinic acid has been studied in various concentrations (0.5-2.5% w/v) of SLS solution maintaining an ionic strength of 0.16 mol dm-3 at 303 K. The protonation constants have been calculated with the computer program MINIQUAD75 and the best fit models have been calculated based on statistical parameters. The trend of log values of step-wise protonation constants with mole fraction of the medium has been explained based on electrostatic and non-electrostatic forces operating on the protonation equilibria. The effects of errors on the protonation constants have also been presented

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