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International Letters of Chemistry, Physics and Astronomy
Volume 14

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Development of Method for Extractive Spectrophotometric Determination of Cu(II) with 2-Hydroxy-1-Naphthalene Carboxaldehyde Phenyl Hydrazone as an Analytical Reagent

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Abstract:

A spectrophotometric method has been developed for the determination of Cu(II) using 2-Hydroxy-1-Naphthalene carboxaldehyde phenyl hydrazone as an extractive reagent. The reagent forms a coloured complex, which has been quantitatively extracted into n-butanol at pH 9.2. The method obeys Beer’s law over arrange from 1 to 10 ppm. The Molar absorptivity and Sandell’s sensitivity were 0.97 × 104 L mol-1cm-1 and 0.26 µg·cm-2 respectively. The proposed method is very sensitive and selective. The method has been successfully applied to synthetic and commercial samples.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 14)
Pages:
1-6
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.14.1
Citation:
R. P. Sonawane et al., "Development of Method for Extractive Spectrophotometric Determination of Cu(II) with 2-Hydroxy-1-Naphthalene Carboxaldehyde Phenyl Hydrazone as an Analytical Reagent", International Letters of Chemistry, Physics and Astronomy, Vol. 14, pp. 1-6, 2013
Online since:
Sep 2013
Authors:
Ratnamala P. Sonawane, R.S. Lokhande, Utkarsha M. Chavan
Keywords:
2-Hydroxy-1-Naphthalene, Carboxaldehyde Phenyl Hydrazine, Copper Spectrophotometric Determination, n-Butanol
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Distribution:
Open Access

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Creative Commons Attribution 4.0 International License

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