Abstract
Adsorbents based on silica sequentially modified by polyhexamethylene guanidine and nitroso-R salt or nitroso-N salt are proposed for the preconcentration and adsorption-photometric determination of iron. It is shown that these adsorbents quantitatively recovered Fe(III) at pH 3.5–4.0 and Fe(II) at pH 4.5–7.0. In the adsorption of Fe(III) and Fe(II), intensely colored green complexes formed on the adsorbent surface. Based on the absence of signals in EPR spectra, it was concluded that iron in the oxidation state +2 was included into surface complexes with nitroso-R salt or nitroso-N salt. When Fe(III) interacted with nitroso-R salt or nitroso-N salt immobilized on the adsorbent surface, it was reduced to Fe(II). Diffuse reflection spectra of the surface complexes of iron(II) were broad bands with maxima at 720 and 710 nm. Procedures of the adsorption-photometric determination of iron in natural waters and snow samples were developed with the limit of detection of 0.05 μg of iron per 0.2 g of the adsorbent.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
Explore related subjects
Discover the latest articles and news from researchers in related subjects, suggested using machine learning.References
Marczenko, Z. and Balcerzak, M., Separation, Preconcentration and Spectrophotometry in Inorganic Analysis, Amsterdam Elsevier, 2001.
Pehkonen, S.O., Analyst, 1995, vol. 12, p. 2655.
Van Staden, J.F. and Naidoo, E.B., S. Afr. J. Chem., 2000, vol. 53, no. 3, p. 191.
Jankiewicz, B., Ptaszynski, B., and Turek, A., Pol. J. Environ. Stud., 2002, vol. 11, no. 6, p. 745.
Croot, P.L. and Hunter, K.A., Anal. Chim. Acta, 2000, vol. 406, p. 289.
Themelis, D.G., Tzanavaras, P.D., Kika, F.S., and Sofoniou, M.C., Fresenius’ J. Anal. Chem., 2001, vol. 371, p. 364.
Kass, M. and Ivaska, A., Talanta, 2002, vol. 58, p. 1131.
Reshetnyak, E.A., Ivchenko, N.V., and Nikitina, N.A., Cent. Eur. J. Chem., 2012, vol. 10, no. 5, p. 1617.
Puri, B.K. and Balani, S., Talanta, 1995, vol. 42, no. 3, p. 337.
Senee Kruanetr, Wish Yhanasarakhan, Urai Tengjaroekul, Boonsom Liawruangrath, and Saisunee Liawruangrath, J. Flow Injection Anal., 2007, vol. 24, no. 2, p. 114.
Miura, J., Arima, S., and Satake, M., Analyst, 1990, vol. 115, no. 9, p. 1191.
Oka, Y. and Miyamoto, M., Sci. Rep. RITU, 1955, p. 84.
Novikova, N.G., Ermolenko, Yu.V., and Kuznetsov, V.V., Usp. Khim. Khim. Tekhnol., 2009, vol. 23, no. 4, p. 13.
Ivanov, V.M., Chin Tkhi Tuet Mai, Figurovskaya, V.N., Mamedova, A.M., and Ershova, N.I., J. Anal. Chem., 2006, vol. 61, no. 9, p. 859.
Novikova, N.G., Ermolenko, Yu.V., Kuznetsov, V.V., Strokova, N.G., and Sokolovskaya, A.P., Usp. Khim. Khim. Tekhnol., 2008, vol. 22, no. 3, p. 39.
Losev, V.N., Didukh, S.L., Mukhina, A.N., and Trofimchuk, A.K., J. Anal. Chem., 2015, vol. 70, no. 6, p. 677.
Yegorov, D.Yu., Kozlov, A.V., Azizova, O.A., and Vladimirov, Y.A., Free Radic. Biol. Med., 1993, vol. 15, no. 6, p. 565.
Taher, M.A., Talanta, 1999, vol. 50, no. 3, p. 559.
Taher, M.A., Puri, B.K., and Malik, A.K., Ann. Chim., 2001, vol. 91, nos. 5–6, p. 319.
Bajue, S.A., Taylor, G.A., and Lalor, G.C., J. Inorg. Nucl. Chem., 1972, vol. 34, p. 1353.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © S.L. Didukh, V.N. Losev, A.N. Mukhina, N.G. Maksimov, A.K. Trofimchuk, 2017, published in Zhurnal Analiticheskoi Khimii, 2017, Vol. 72, No. 1, pp. 50–56.
Rights and permissions
About this article
Cite this article
Didukh, S.L., Losev, V.N., Mukhina, A.N. et al. Adsorption-photometric determination of iron using silica with nitroso-R salt and nitroso-N salt functional groups. J Anal Chem 72, 47–53 (2017). https://doi.org/10.1134/S1061934817010051
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S1061934817010051