Spectrophotometric Extraction method for Estimation of Rhodium (III) Using Novel Analytical Reagent

Sonali S. Patil^1,

¹Department of Chemistry, J.S.M. College, Alibag, Raigad, Maharashtra, India

Cite this paper:
Sonali S. Patil. Spectrophotometric Extraction method for Estimation of Rhodium (III) Using Novel Analytical Reagent. Applied Ecology and Environmental Sciences. 2022; 10(11):685-690. doi: 10.12691/aees-10-11-4

Abstract

The present work addresses, a development of novel analytical reagent 2, 4-dimethyl -3H-1, 5 benzodiazepine (DBA) for determination of rhodium (III) from a mixture of alloy, using extractive spectrophotometric technique. In this research, a novel analytical reagent has been explored and with NMR, IR and mass spectrometer techniques, its characterization was also reported. A reaction between Rhodium (III) and analytical reagent (DBA), resulted in to red-coloured compound, this red colored compound offers outstanding results at constant pH 8.9, when subjected to an extraction using n-butanol as selective solvent. The Beers law is fully satisfied in concentration range of 1 mg L^-1 to 10 mg L^-1 of rhodium (III) ions. The values of maximum absorption, average molar absorption co-efficient to the coloured compound were observed to be 510 nm, 4863L mol^-1cm^-2, however sandell’s sensitivity was recorded as 0.01205 μg cm^-2. The determination of rhodium (III) metal traces from alloy mixture using DBA analytical reagent is revealed to be cheaper, effective and best than that of earlier spectrophotometric extraction methods.

Keywords:
rhodium (III) Spectrophotometric estimation DBA reagent molar extinction coefficient

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