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Stability constants of Nicotinic acid (vitamin B3) complexes with transition metal ions

    Shalini Dengle Mahesh Shivoorkar Momin Nishad Parvin Ayesha Nuzat Durrani

International Research Journal on Advanced Science Hub, 2020, Volume 2, Issue 7, Pages 136-138
10.47392/irjash.2020.78

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Abstract

Vitamins play very important role in human and animal bodies. They have great significance of complex formation with transition metal ions. The water soluble vitamin B3 i.e.Nicotinic acid is a ligand which forms complexes with transition metal ions. The stability constants of Nicotinic acid complexes with transition metal ions V(II),Cr(II),Fe(III),Co(II),Ni(II),Cu(II)& Zn(II) were determined pH metrically, at temperature 298K (250C) in Methyl alcohol-water and Ethyl alcohol-water medium at an ionic strength 0.1M NaClO4. The proton - ligand stability constant pk1 and metal-ligand stability constant log K1 have been calculated. The resultant values of stability constants in both the medium were compared and discussed. It is concluded that the stability constant values are greater in Methyl alcohol-water medium than the Ethyl alcohol-water medium
Keywords:
    Nicotinic acid stability constants binary complexes transition metals
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(2020). Stability constants of Nicotinic acid (vitamin B3) complexes with transition metal ions. International Research Journal on Advanced Science Hub, 2(7), 136-138. doi: 10.47392/irjash.2020.78
Shalini Dengle; Mahesh Shivoorkar; Momin Nishad Parvin; Ayesha Nuzat Durrani. "Stability constants of Nicotinic acid (vitamin B3) complexes with transition metal ions". International Research Journal on Advanced Science Hub, 2, 7, 2020, 136-138. doi: 10.47392/irjash.2020.78
(2020). 'Stability constants of Nicotinic acid (vitamin B3) complexes with transition metal ions', International Research Journal on Advanced Science Hub, 2(7), pp. 136-138. doi: 10.47392/irjash.2020.78
Stability constants of Nicotinic acid (vitamin B3) complexes with transition metal ions. International Research Journal on Advanced Science Hub, 2020; 2(7): 136-138. doi: 10.47392/irjash.2020.78
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