Table of Contents
Advances in Chemistry
Volume 2014, Article ID 938419, 7 pages
http://dx.doi.org/10.1155/2014/938419
Research Article

Solar UV-Assisted Pretreatment of River Water Samples for the Voltammetric Monitoring of Nickel and Cobalt Ultratraces

1School of Natural Science, Adama Science and Technology University, Adama, Ethiopia
2School of Science and the Environment, Manchester Metropolitan University, Manchester M1 5GD, UK
3Gensoric GmbH, Schillingallee 68, 18057 Rostock, Germany
4Department of Chemistry, University of Rostock, 18059 Rostock, Germany

Received 29 April 2014; Revised 17 June 2014; Accepted 17 June 2014; Published 21 July 2014

Academic Editor: Mohamed Sarakha

Copyright © 2014 Gelaneh Woldemichael and Gerd-Uwe Flechsig. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. E. P. Achterberg, C. B. Braungardt, R. C. Sandford, and P. J. Worsfold, “UV digestion of seawater samples prior to the determination of copper using flow injection with chemiluminescence detection,” Analytica Chimica Acta, vol. 440, no. 1, pp. 27–36, 2001. View at Publisher · View at Google Scholar · View at Scopus
  2. J. Golimowski and K. Golimowska, “UV-photooxidation as pretreatment step in inorganic analysis of environmental samples,” Analytica Chimica Acta, vol. 325, no. 3, pp. 111–133, 1996. View at Publisher · View at Google Scholar · View at Scopus
  3. Z. Filipović-Kovacević and L. Sipos, “Voltammetric determination of copper in water samples digested by ozone,” Talanta, vol. 45, no. 5, pp. 843–850, 1998. View at Publisher · View at Google Scholar
  4. F. A. J. Armstrong, P. M. Williams, and J. D. H. Strickland, “Photo-oxidation of organic matter in sea water by ultra-violet radiation, analytical and other applications,” Nature, vol. 211, no. 5048, pp. 481–483, 1966. View at Publisher · View at Google Scholar · View at Scopus
  5. H. S. Son, S. J. Lee, I. H. Cho, and K. D. Zoh, “Kinetics and mechanism of TNT degradation in TiO2 photocatalysis,” Chemosphere, vol. 57, no. 4, pp. 309–317, 2004. View at Publisher · View at Google Scholar
  6. T. Viehweg and W. Thiemann, “Die photochemische Elimination von Atrazin und seinen Metaboliten in Wasserproben,” Vom Wasser, vol. 79, pp. 355–362, 1992. View at Google Scholar
  7. P. B. Merkel and D. R. Kearns, “Radiationless decay of singlet molecular oxygen in solution. Experimental and theoretical study of electronic-to-vibrational energy transfer,” Journal of the American Chemical Society, vol. 94, no. 21, pp. 7244–7253, 1972. View at Publisher · View at Google Scholar · View at Scopus
  8. R. M. Baxter and J. H. Carey, “Evidence for photochemical generation of superoxide ion in humic waters,” Nature, vol. 306, no. 5943, pp. 575–576, 1983. View at Publisher · View at Google Scholar · View at Scopus
  9. X. Zhou and K. Mopper, “Determination of photochemically produced hydroxyl radicals in seawater and freshwater,” Marine Chemistry, vol. 30, pp. 71–88, 1990. View at Publisher · View at Google Scholar · View at Scopus
  10. T. Mill, D. G. Hendry, and H. Richardson, “Free-radical oxidants in natural waters,” Science, vol. 207, no. 4433, pp. 886–887, 1980. View at Publisher · View at Google Scholar · View at Scopus
  11. W. R. Haag and J. Hoigné, “Photo-sensitized oxidation in natural water via .OH radicals,” Chemosphere, vol. 14, no. 11-12, pp. 1659–1671, 1985. View at Publisher · View at Google Scholar · View at Scopus
  12. D. Kotzias, H. Parlar, and F. Korte, “Photoreactivity of organic chemicals in water in the presence of nitrate and nitrite,” Naturwissenschaften, vol. 69, no. 9, pp. 444–445, 1982. View at Publisher · View at Google Scholar · View at Scopus
  13. O. C. Zafiriou, J. Joussot-Dubien, R. G. Zepp, and R. G. Zika, “Photochemistry of natural waters,” Environmental Science and Technoalogy, vol. 18, no. 12, pp. 358A–371A, 1984. View at Publisher · View at Google Scholar · View at Scopus
  14. D. Florian and G. Knapp, “High-temperature, microwave-assisted UV digestion: a promising sample preparation technique for trace element analysis,” Analytical Chemistry, vol. 73, no. 7, pp. 1515–1520, 2001. View at Publisher · View at Google Scholar
  15. C. Karunakaran and R. Dhanalakshmi, “Semiconductor-catalyzed degradation of phenols with sunlight,” Solar Energy Materials and Solar Cells, vol. 92, no. 11, pp. 1315–1321, 2008. View at Publisher · View at Google Scholar · View at Scopus
  16. G. Woldemichael, T. Tulu, and G.-U. Flechsig, “Solar UV photooxidation as pretreatment for stripping voltammetric trace metal analysis in river water,” International Journal of Electrochemistry, vol. 2011, Article ID 481370, 7 pages, 2011. View at Publisher · View at Google Scholar
  17. G. Woldemichael, T. Tulu, and G. Flechsig, “Solar UV-assisted sample preparation of river water for ultra-trace determination of uranium by adsorptive stripping voltammetry,” Microchimica Acta, vol. 179, no. 1-2, pp. 99–104, 2012. View at Publisher · View at Google Scholar · View at Scopus
  18. M. Malaiyandi, M. H. Sadar, P. Lee, and R. O'Grady, “Removal of organics in water using hydrogen peroxide in presence of ultraviolet light,” Water Research, vol. 14, no. 8, pp. 1131–1135, 1980. View at Publisher · View at Google Scholar · View at Scopus
  19. E. J. Underwood, Trace Elements in Human and Animal Nutrition, Academic Press, New York, NY, USA, 4th edition, 1977.
  20. F. W. Sunderman Jr., “Analytical biochemistry of nickel,” Pure and Applied Chemistry, vol. 52, no. 2, pp. 527–544, 1980. View at Google Scholar · View at Scopus
  21. B. Pihlar, P. Valenta, and H. W. Nürnberg, “New high-performance analytical procedure for the voltammetric determination of nickel in routine analysis of waters, biological materials and food,” Fresenius' Zeitschrift für Analytische Chemie, vol. 307, no. 5, pp. 337–346, 1981. View at Google Scholar