"THERMODYNAMIC PARAMETERS ASSOCIATED WITH THE INTERACTIONS OF MIXED NUCLEOSIDES WITH TRANSITION AND ALKALINE EARTH METAL IONS IN SOLUTION" | Zendy

Badar Taqui Khan | Zendy; Ch. Abraham Lincoln | Zendy

Open Access

"THERMODYNAMIC PARAMETERS ASSOCIATED WITH THE INTERACTIONS OF MIXED NUCLEOSIDES WITH TRANSITION AND ALKALINE EARTH METAL IONS IN SOLUTION"

Author(s) -

Badar Taqui Khan,

Ch. Abraham Lincoln

Publication year - 2006

Publication title -

material science research india

Language(s) - English

Resource type - Journals

eISSN - 2394-0565

pISSN - 0973-3469

DOI - 10.13005/msri/030104

Subject(s) - alkaline earth metal , ion , inorganic chemistry , transition metal , chemistry , metal ions in aqueous solution , earth (classical element) , metal , thermodynamics , physics , organic chemistry , catalysis , mathematical physics

The formation of ternary complexes of metal-guanosine thymidine, uridine or adenosine have been studied by potentiometrically at 15°, 25°, 35° and 45°C and 0.1 M (KNO3) ionic strength. The metal ions studied are Cu(II), Ni(II), Co(II), Zn(II), Mg(II) and Ca(II). The thermodynamic parameters, enthalpy and entropy changes for these ternary systems are calculated. The H values are highly negative and S are negative for these systems. The exothermic enthalpy for the mixed nucleoside complexes may be attributed to the energy of stacking interaction in these systems.

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