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Banana Peel Applied to the Solid Phase Extraction of Copper and Lead from River Water: Preconcentration of Metal Ions with a Fruit Waste
Section:Abstract
This article reports on an investigation into the ability of minced banana peel to extract lead and copper ions from water and the parameters involved in this process. The kinetics of copper and lead uptake reached equilibrium in 10 min and the extraction of metals ions was favorable above pH 3. The medium was characterized by FTIR, which showed absorption bands of carboxylic and amine groups at 1730 and 889 cm1, respectively. The adsorption isotherm fitted by Langmuir’s model showed maximum adsorption capacities of 0.33 and 0.20 mmol g−1 (or 20.97 and 41.44 mg g−1) for Cu(II) and Pb(II), respectively. Minced banana peel was applied in the preconcentration system and showed approximately 20-fold enrichment factor and the column was reused for 11 cycles without loss in the percentage of recovery. The proposed method was applied in the determination of Cu(II) and Pb(II) in a sample of raw river water and was validated by comparison with a standard reference material.
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Adsorption of the Prototype Anionic Anthraquinone, Acid Blue 25, on a Modified Banana Peel: Comparison with Equilibrium and Kinetic Ligand–Receptor Biochemical Data
Maria Giovanna Guiso, Raffaela Biesuz, Teresa Vilariño, Marta López-García, Pilar Rodríguez Barro, and Manuel E. Sastre de VicenteIndustrial & Engineering Chemistry Research2014 53 (6), 2251-2260Adsorption of the Prototype Anionic Anthraquinone, Acid Blue 25, on a Modified Banana Peel: Comparison with Equilibrium and Kinetic Ligand–Receptor Biochemical Data
Maria Giovanna Guiso, Raffaela Biesuz, Teresa Vilariño, Marta López-García, Pilar Rodríguez Barro, and Manuel E. Sastre de VicenteIndustrial & Engineering Chemistry Research2014 53 (6), 2251-2260The adsorptive behavior of dye Acid Blue 25 (AB25) on the banana peel is studied with two objectives in view. First, from an environmental point of view, AB25 is considered a model of the anionic dyes, and the banana peel is a quite abundant agricultural ...
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History
- Published In Issue March 16, 2011
- Article ASAPFebruary 16, 2011
- Received: July 13, 2010
Accepted: January 25, 2011
Revised: January 24, 2011
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