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Research Journal of Pharmacy and Technology
Year : 2017, Volume : 10, Issue : 7
First page : ( 2203) Last page : ( 2204)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2017.00388.2

pH-Metric study of picolinic acid with Cu (II), Co (II) and Fe(II)ions

Mansoor Faozia*, Farooqui Maqdoom

Maulana Azad College of Arts, Science and Commerce, Dr. Rafiq Zakaria Campus-I, Aurangabad--431001 (M.S.) India.

*Corresponding Author E-mail: faozia11365@gmail.com, maqdoomf@gmail.com

Online published on 17 October, 2017.

Abstract

pH-Metric measurements of picolinic acid were studied with Cu(II), Co (II) and Fe(II)metal ions at 0.2 M ionic strength in water by Irving-Rossotti titration technique for determination of stability constants. 1: 1 complexes were formed in present investigation in between picolinic acid (PA) and Cu (II), Co (II)and Fe(II) metal ions. Values of proton-ligand stability constant (pK) and metal-ligand stability constants log k were evaluate and compared from resultant data.

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Keywords

Picolinic acid (PA), stability constant, pH-metric measurements.

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