Differential pulse polarographic determination of salicylaldehyde as its Girard-P derivative |
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Authors: | Luís J Moreno López Manuel Callejón Mochón Juán C Jiménez Sánchez Alfonso Guiraúm Pérez |
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Institution: | (1) Department of Analytical Chemistry, Faculty of Chemistry, University of Sevilla, E-41018 Sevilla, Spain |
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Abstract: | A method for the determination of salicylaldehyde (2 × 10–6–10–4
M) by differential-pulse polarography, based on the in situ formation of its Girard-P derivative in aqueous solution at pH 2.5, is proposed. The relative standard deviation was 1.5% (ten determinations of 4 × 10–5
M level). The applicability of this method was checked in synthetic samples containing salicyl alcohol,o-aminophenol, 2-methylphenol, salicylic acid and 4-aminobenzoic acid. |
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Keywords: | differential pulse polarography salicylaldehyde Girard-P |
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