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Mohamed Habila,Erkan Yilmaz,Zeid A. AlOthman,Mustafa Soylak 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
This work aimed to develop a solid-phase extraction method using low-cost activated carbon producedfrom waste and modified with 4-(2-thiazolylazo) resorcinol for Cd(II), Pb(II), and Cu(II). The resultsshowed that quantitative recovery of analytes was obtained at pH 6 with 3 Mnitric acid as the eluent anda sample volume up to 1000 mL. The method was validated using certified reference material andaddition-recovery tests. The limits of detection (LODs) for Pb(II), Cd(II), and Cu(II) were 2.03 mg L-1,0.15 mg L-1, and 0.19 mg L-1, respectively. The procedure was applied for determination of analytes infood samples.
Mohamed Abdelaty Habila,Zeid Abdullah ALOthman,Saad A. Al-Tamrah,Ayman Abdel Ghafar,Mustafa Soylak 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.32 No.-
The widespread use of pesticides leads to considerable attention for pesticide detection and removal. Therefore, in the first part of this work, a simple and facile solid phase extraction (SPE) procedure forseparation of malathion from soil and water samples, has been established. Malathion was recovered at apH of 2.0–3.0 with limit of detection (LOD) of 0.026 ng L 1. While in the second part, the kinetics of thebatch adsorption removal of malathion from aqueous solutions was investigated. Results showed thatmalathion adsorption onto activated carbon followed second order kinetics models most appropriatelywith adsorption capacity of 32.1 mg g 1.