Sensitive spectrophotometric determination of thorium (IV) using diacetyl monoxime isonicotinoyl hydrazone (DMIH).
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Date
2011-04
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Abstract
Thorium (IV) forms a yellow Coloured water soluble complex with Diacetyl
Monoxime Isonicotinoyl hydrazone (DMIH) reagent in acidic buffer of PH 5.0 with λ max at 352 nm.
The molar absorptivity and sandell’s sensitivity are 2.265 X 10 4 L mol -1 cm -1 and 0.0022μg /cm2
respectively. The Beer’s law validity range 1.16–13.92 μg / mL. Thorium (IV) forms (M: L) 1:1
complex with DMIH and stability constant of the complex is 7.0265 X 10 6.The derivative
spectrophotometric determination of Th (IV)) was carried out by measuring peak height method. The
developed derivative spectrophotometric method was employed for the determination of Thorium
(IV) in synthetic samples of alloy. The effect of various diverse ions was also studied.
Description
Keywords
Diacetyl Monoxime Isonicotinoyl hydrazone (DMIH), Derivative Spectrophotometry, Thorium (IV)
Citation
Reddy G ChandraSekhar, Devanna N, Chandrasekhar K B. Sensitive spectrophotometric determination of thorium (IV) using diacetyl monoxime isonicotinoyl hydrazone (DMIH). International Journal of Applied Biology and Pharmaceutical Technology. 2011 Apr-June; 2(2): 133-139.