Use of Nb2O5–SiO2 in an automated on-line preconcentration system for determination of copper and cadmium by FAAS

作者: E DASILVA , E GANZAROLLI , E CARASEK

DOI: 10.1016/J.TALANTA.2003.09.014

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摘要: … [27] described the synthesis of niobium(V) oxide grafted on silica gel surface and its exchange isotherms for ions Co 2+ , Ni 2+ and Cu 2+ by the batch technique. Budziak et al. [28] …

参考文章(28)
Sérgio L. C. FERREIRA, Cristiane F. de BRITO, Separation and Preconcentration of Cobalt after Sorption onto Amberlite XAD-2 Loaded with 2-(2-Thiazolylazo)-p-cresol Analytical Sciences. ,vol. 15, pp. 189- 191 ,(1999) , 10.2116/ANALSCI.15.189
Ricardo Jorgensen Cassella, Veronica A. Salim, Luciene S. Jesuı́no, Ricardo E. Santelli, Sérgio L.C. Ferreira, Marcelo S. de Carvalho, Flow injection determination of cobalt after its sorption onto polyurethane foam loaded with 2-(2-thiazolylazo)-p-cresol (TAC) Talanta. ,vol. 54, pp. 61- 67 ,(2001) , 10.1016/S0039-9140(00)00626-3
Sérgio L.C Ferreira, Valfredo A Lemos, Barbara C Moreira, A.C.Spinola Costa, Ricardo Erthal Santelli, An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopy Analytica Chimica Acta. ,vol. 403, pp. 259- 264 ,(2000) , 10.1016/S0003-2670(99)00632-7
Noemi Nagata, Lauro T. Kubota, Maria I.M.S. Bueno, Patricio G. Peralta-Zamora, Adsorption Parameters of Cd(II), Pb(II), and Hg(II) on Zirconium(IV) Phosphate Chemically Grafted onto Silica Gel Surface Journal of Colloid and Interface Science. ,vol. 200, pp. 121- 125 ,(1998) , 10.1006/JCIS.1997.5344
Shukun Xu, Michael Sperling, Bernhard Welz, Flame atomic absorption spectrometric determination of cadmium and copper in biological reference materials using on-line sorbent extraction preconcentration Fresenius Journal of Analytical Chemistry. ,vol. 344, pp. 535- 540 ,(1992) , 10.1007/BF00324648