naa a22 4500 510750605 CHVBK 20180411083103.0 cr unu---uuuuu 180411e20130301xx s 000 0 eng 10.1007/s11270-013-1474-8 doi (NATIONALLICENCE)springer-10.1007/s11270-013-1474-8 The Use of Voltammetry for Sorption Studies of Pb2+ from Aqueous Media using Schiff Base Immobilized Biologic Polymer Material [Elektronische Daten] [Semahat Kucukkolbasi, Zehra Erdoğan, Nuriye Kocak, Mustafa Sahin, Ilkay Gubbuk] Adsorption by low-cost adsorbents and biosorbents is recognized as an effective and economic method for low-concentration heavy metal. The purpose of this study was to investigate the possibility of the utilization of N,N′-bis(2, 5-dihydroxybenzylidene)-1, 4-diaminobenzene (DHDB)-immobilized sporopollenin (Schiff base-immobilized sporopollenin, Sp-DHDB) as a sorbent for removal of lead (II) ion from aqueous solution. The effects of different parameters (such as sorbate concentration, sorbent dosage, and pH of the medium) were investigated by differential pulse anodic stripping voltammetry (DPASV) technique. The experimental data were analyzed by the Freundlich, Langmuir, and Dubinin-Radushkevich (D-R) isotherms. Equilibrium data fitted well with the Freundlich model and the procedure developed was successfully applied for the removal of lead ions in aqueous solutions. This investigation reveals a new, simple, environmentally friendly, and cost-effective method for the removal of lead ions from aqueous solutions by a new Sp-DHDB material. Springer Science+Business Media Dordrecht, 2013 Lead removal nationallicence Differential pulse anodic stripping voltammetry nationallicence Sporopollenin nationallicence Adsorption isotherms nationallicence DPASV : Differential pulse anodic stripping voltammetry nationallicence E : Mean free energy of sorption (kJ mol−1) nationallicence k : Freundlich empirical constant nationallicence K : D-R isotherm constant (mol2 kJ−2) nationallicence Kb : Adsorption binding constant (L mol−1) nationallicence n : Freundlich empirical constant nationallicence q : Amount of lead sorbed per unit weight of Sp-DHDB (on the basis of DPASV analyses) (mmol lead/g Sp-DHDB) nationallicence q e : Amount of the lead sorbed per unit weight of Sp-DHDB (mmol lead/g Sp-DHDB) for the D-R isotherm nationallicence q m : Maximum capacity calculated from isotherms (mmol lead/g Sp-DHDB) nationallicence R : Universal gas constant (8,314J K−1 mol−1) nationallicence R 2 : Regression coefficient nationallicence ε : Polanyi potential ε = RT ln(1 + (1/C)) nationallicence DHDB : N,N′-bis(2 5-Dihydroxybenzylidene)-1, 4-diaminobenzene nationallicence Sp-DHDB : Schiff base-immobilized sporopollenin nationallicence Kucukkolbasi Semahat Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut Erdoğan Zehra Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut Kocak Nuriye Faculty of Education, Department of Science Education, Necmettin Erbakan University, 42090, Konya, Turkey aut Sahin Mustafa Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut Gubbuk Ilkay Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut Water, Air, & Soil Pollution Springer Netherlands 224/3(2013-03-01), 1-12 0049-6979 224:3<1 2013 224 11270 https://doi.org/10.1007/s11270-013-1474-8 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11270-013-1474-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kucukkolbasi Semahat Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut NATIONALLICENCE 700 1- Erdoğan Zehra Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut NATIONALLICENCE 700 1- Kocak Nuriye Faculty of Education, Department of Science Education, Necmettin Erbakan University, 42090, Konya, Turkey aut NATIONALLICENCE 700 1- Sahin Mustafa Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut NATIONALLICENCE 700 1- Gubbuk Ilkay Faculty of Science, Department of Chemistry, Selcuk University Campus, 42075, Konya, Turkey aut NATIONALLICENCE 773 0- Water, Air, & Soil Pollution Springer Netherlands 224/3(2013-03-01), 1-12 0049-6979 224:3<1 2013 224 11270 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer