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Vol. 28 No. 8 (2016): Vol 28 Issue 8

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Spectrophotometric Determination of Cadmium(II) in Water and Soil Samples Using Schiff's Bases

https://doi.org/10.14233/ajchem.2016.19916
B. Natesh Kumar
Department of Chemistry, Durban University of Technology, Durban, South Africa
S. Himagirish Kumar
Department of Chemistry, S.V. University, Tirupati-517 502, India
G.G. Redhi
Department of Chemistry, Durban University of Technology, Durban, South Africa
N.V.V. Jyothi
Department of Chemistry, S.V. University, Tirupati-517 502, India

Corresponding Author(s) : N.V.V. Jyothi

nvvjyothi73@gmail.com

Asian Journal of Chemistry, Vol. 28 No. 8 (2016): Vol 28 Issue 8

Abstract

A simple and rapid method was developed with the two novel Schiff ’s base ligands, (E)-N'-(2-hydroxy-5-nitrobenzylidene)isonicotinoylhydrazone and 2-(4-fluoro benzlideneamino)benzenothiol for monitoring the cadmium(II) in different water and soil samples. The two ligands react with cadmium(II) at pH 4.9/5.7 to form pale yellow/pale brown complexes with stoichiometric ratios of 1:1 (M:L). The complexes obeyed Beer’s law in the range of 2.0 and 2.5 mg L-1 with an excellent linearity in terms of the correlation coefficient of 0.99. The molar absorptivity and Sandell’s sensitivity of the complex systems were found to be 3.68 × 104, 4.32 × 104 L mol-1 cm-1 and 0.00298, 0.0034 μg cm-2, respectively. The limit of detection for cadmium(II) was noted as 0.042 and 0.063 μg L-1, respectively for these ligands. Furthermore, in vitro antimicrobial activities of both ligands and their complexes were successfully examined and reported.

Keywords

Schiff's base Cadmium(II) Spectrophotometric determination Water and soil samples Biological activity
Kumar, B. N., Kumar, S. H., Redhi, G., & Jyothi, N. (2016). Spectrophotometric Determination of Cadmium(II) in Water and Soil Samples Using Schiff’s Bases. Asian Journal of Chemistry, 28(8), 1861–1866. https://doi.org/10.14233/ajchem.2016.19916
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