Stabilization of quercetin-functionalized silica gel against hydrolysis by blocking silanol groups with TiO2 or ZrO2 and its application for the removal of Hg(II)

Hamed M, Hassanien M, Abou-El-Sherbini Kh, Lotfy H (2005) Determination of trace As (III), Cd (II), Hg(II), Pb(II), Se (II) and Sn (II) in water samples by ICP-MS after separation and preconcentration with quercetin immobilized on controlled- pore silica glass, Proceedings of East and Southern Africa conference (ESAECW), Windhoek, Namibia, 5th–9th Dec. 2005, pp 103–121 Fifield W, Haines PJ (2000) Environmental analytical chemistry, 2nd edn. Black Wall Science Ltd, Cambridge, p 363 Locatelli C (2004) Heavy metals in matrices of food interest: sequential voltammetric determination at trace and ultratrace level of copper, lead, cadmium, zinc, arsenic, selenium, manganese and iron in meals. Electroanalysis 16:1478–1486 Young J (1994) Mercury. In: Goldfrank LR (ed) Goldfrank’s toxicology emergencies, vol 74. McGraw-Hill, New York, pp 1051–1062 Cui Y, Zhu YG, Zhai R, Huang Y, Qiu Y, Liang J (2005) Exposure to metal mixtures and human health impacts in a contaminated area in Nanning, China. Environ Int 31:784–790 Bronstein A, Spyker D, Cantilena L, Green J, Rumack B, Heard S (2008) Annual Report of the American Association of Poison Control Centers’ National Poison Data System (NPDS): 25th Annual Report. Clin Toxicol (Phila) 46(10):927–1057 Simpson N (2000) Solid phase extraction, principles, techniques and applications. Marcel Decker, New York Camel V (2003) Solid phase extraction of trace elements. Spectrochim Acta Part B 58:1177 Vansant E, Van der Voort P, Vrancken K (1995) Characterisation and chemical modification of the silica surface. Elsevier, The Netherlands Jal PK, Patel S, Mishra BK (2004) Chemical modification of silica surface by immobilization of functional groups for extractive concentration of metal ions. Talanta 62:1005 Sato T, Sato K, Noguchi Y (2001) Liquid–liquid extraction of mercury(II) from hydrochloric and nitric acid solutions by trioctyl phosphine oxide. J Mining Mater Process Institute of Japan 117(11):880–884 Saad B, Sultan S (1995) Extraction spectrophotometric determination of mercury(II) using thiacrown ethers and Bromocresol Green. Talanta 42(10):1349–1354 El-Shahawi M, Nassif H (2003) Retention and thermodynamic characteristics of mercury(II) complexes onto polyurethane foams. Anal Chim Acta 481:29–39 Segade S, Tyson J (2007) Determination of methylmercury and inorganic mercury in water samples by slurry sampling cold vapor atomic absorption spectrometry in a flow injection system after preconcentration on silica C18 modified. Talanta 71(4):1696–1702 Ma W, Liu F, Li K, Chen W, Tong S (2000) Preconcentration, separation and determination of trace Hg(II) in environmental samples with aminopropylbenzoylazo-2-mercaptobenzothiazole bonded to silica gel. Anal Chim Acta 416:191–196 Mahmoud M, Gohar G (2000) Silica gel-immobilized-dithioacetal derivatives as potential solid phase extractors for mercury(II). Talanta 51:77–87 Alcântara E, Faria E, Rodrigues D, Evangelista S, DeOliveira E, Zara L, Rabelo D, Prado A (2007) Modification of silica gel by attachment of 2-mercaptobenzimidazole for use in removing Hg(II) from aqueous media: a thermodynamic approach. J Coll Interface Sci 311:1–7 Fan J, Qin Y, Ye C, Peng P, Wu C (2008) Preparation of the diphenylcarbazone-functionalized silica gel and its application to on-line selective solid-phase extraction and determination of mercury by flow-injection spectrophotometry. J Haz Mat 150(2):343–350 Goubert-Renaudin S, Schneider R, Walcarius A (2007) Synthesis of new dithiocarbamate-based organosilanes for grafting on silica. Tetrahedron Lett 48:2113–2116 Mahmoud M, Haggag S, Hegazi A (2006) Synthesis, characterization, and sorption properties of silica gel-immobilized pyrimidine derivative. J Coll Inter Sci 300:94–99 Abou-El-Sherbini Kh (2009) Modification of aminopropyl silica gel with some chelating agents and their effect on its stability against hydrolysis. J Sol-Gel Sci Techn 51(2):228–237 Mostafa G, Hassanien M, Abou-El-Sherbini Kh, Görlitz V (2003) Controlled-pore silica glass modified with N-propylsalicylaldimine for separation and preconcentration of trace Al(III), Ag (I) and Hg(II) in water samples. Anal Sci 19(8):1151 Walcarius A, Delacôte C (2005) Mercury(II) binding to thiol-functionalized mesoporous silicas: critical effect of pH and sorbent properties on capacity and selectivity. Anal Chim Acta 547:3–13 Billinge S, McKimmy E, Shatnawi M, Kim H, Petkov V, Wermeille D, Pinnavaia T (2005) Mercury binding sites in thiol-functionalized mesostructured silica. J Am Chem Soc 127:8492–8498 Etienne M, Walcarius A (2003) Analytical investigation of the chemical reactivity and stability of aminopropyl-grafted silica in aqueous medium. Talanta 59:1173 Lüchinger M (2004) Synthesis and functionalization of mesoporous silica and its application as a support for immobilized metal catalysts, Dissertation ETH Nr. 15847, Swiss Federal Institute of Technology, Zürich Abou-El-Sherbini Kh, Pape C, Rienitz O, Schiel D, Stosch R, Weidler P, Höll W (2010) Stabilization of n-aminopropyl silica gel against hydrolysis by blocking silanol groups with TiO2 or ZrO2. J Sol-Gel Sci Techn 53:587–597 Abou-El-Sherbini Kh, Hassanien M, Kenawy I (2007) Selective separation and preconcentration of total tin using quercetin as chelating agent. Sep Sci Techn 42:3447–3463 Abou-El-Sherbini Kh, Hassanien M (2004) Synthesis of controlled-pore silica glass functionalised with quercetin and its application for the separation and preconcentration of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II). Sep Sci Techn 39(5):1177–1201 Brunauer S, Emmett PH, Teller E (1938) Adsorption of gases in multimolecular layers. J Am Chem Soc 60:309 Thommes M (2004) Physical adsorption characterization of ordered and amorphous mesoporous materials, chapter 11. In: Lu GQ, Zhao XS (eds) Nanoporous materials: science and engineering. Imperial College Press, London Ryan J, Elimelech M, Baeseman J, Magelky R (2000) Silica-coated titania and zirconia colloids for subsurface transport field experiments. Env Sci Technol 34:2000 Parikah VM (1974) Absorption spectroscopy of organic molecules. Assison-Wesley Publishing Company, London Xu L, Zhao Y, Wu Z, Liuca D (2003) New method for preparing Ti–Si mixed oxides. Chin Chem Lett 14(11):1159–1162 Lee S, Condrate R (1988) The infrared and Raman spectra of ZrO2-SiO2 glasses prepared by a sol–gel process. J Mat Sci 23:2951–2959 Cornard J, Merlin J, Boudet A, Vrielynck L (1997) Structural study of quercetin by vibrational and electronic spectroscopies combined with semiempirical calculations. Biospectroscopy 3(3):183–193 Smith E, Dent G (2005) Modern Raman spectroscopy: a practical approach. Wiley, Singapore, pp 137–156 Hafez MAH, Kenawy IMM, Akl MA, Lashein RR (2001) Preconcentration and separation of total mercury in environmental samples using chemically modified chloromethylated polystyrene-PAN (ion-exchanger) and its determination by cold vapour atomic absorption spectrometry. Talanta 53(45):749–760 Filho NLD, do Carmo DR (2006) Selective sorption of mercury(II) from aqueous solution with an organically modified clay and its electroanalytical application. Sep Sci Techn 41:733–746