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Title: Spectrophotometric determination of Cadmium(II) in water and soil samples using Schiff's bases
Authors: Kumar, Bhajanthri Natesh 
Kumar, S. Himagirish 
Redhi, Gan G. 
Keywords: Schiff's base;Cadmium(II);Spectrophotometric determination;Water and soil samples;Biological activity
Issue Date: 2016
Publisher: Asian Publication Corporation
Source: Kumar, B.N. et al. 2016. Spectrophotometric determination of Cadmium(II) in water and soil samples using Schiff's bases. Asian Journal of Chemistry. 28(8): 1861-1866.
Journal: Asian journal of chemistry (Online) 
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.
ISSN: 0975-427X (Online)
0970-7077 (Print)
Appears in Collections:Research Publications (Applied Sciences)

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