Application of [2-((Z)-(4-hydroxy-3-methoxy-5-((E)-thiazol-5-yldiazenyl) benzenylidene) amino) benzoic acid] (MThBABA) in Extractive Spectrophotometric Determination of Copper (II)

Shradha Suresh Warang, Manoj Vijay Yadav and Ritika Manoj Makhijani *

Department of Chemistry, Faculty of chemistry, Vivekanand Education Society’s College of Arts, Science and Commerce, Sindhi Society, Chembur, Mumbai - 400 071, Maharashtra, India.
 
Research Article
International Journal of Science and Research Archive, 2024, 12(02), 629–635.
Article DOI: 10.30574/ijsra.2024.12.2.1250
Publication history: 
Received on 27 May 2024; revised on 09 July 2024; accepted on 12 July 2024
 
Abstract: 
For estimation of copper at the trace level a simple, sensitive and rapid spectrophotometric method has been developed using MTHBABA reagent. Elemental and spectral analysis techniques were used for characterization of MTHBABA reagent. Solvent chloroform was used for quantitative (99.61 %) extraction of Copper (II) with the help of MTHBABA at pH range 5.6 to 6.7 from aqueous solution. An intense peak of λ max (540 nm) was observed from chloroform extract. Concentration range for Beers law observed between 2.5 to 30 µg/ml for Copper (II). For Copper complex MTHBABA molar absorptivity and sandell’s sensitivity was found to be 39524 L mole-1cm-1 and 0.0243 μgcm-2 respectively. Job’s Continuous Variation as well as the Mole Ratio Method confirm complex nature 1:1 (Copper: MTHBABA). During MTHBABA present study interference of various ions is also discussed. The proposed method has been successfully applied for determination of Copper (II) in alloy and pharmaceutical samples
 
 
Keywords: 
MTHBABA; Copper (II); Spectrophotometry; Solvent Extraction; Alloy; Pharmaceutical
 
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