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Moghimi, A. (2012). Extraction of Ultra Trace Amounts Bismuth in Water Samples Using Cloud Point Extraction with 2-Amino-Cyclopentene-1-Dithiocarboxylic Acid. Journal of Chemical Health Risks, 2(1), -. doi: 10.22034/jchr.2012.543985
A. Moghimi. "Extraction of Ultra Trace Amounts Bismuth in Water Samples Using Cloud Point Extraction with 2-Amino-Cyclopentene-1-Dithiocarboxylic Acid". Journal of Chemical Health Risks, 2, 1, 2012, -. doi: 10.22034/jchr.2012.543985
Moghimi, A. (2012). 'Extraction of Ultra Trace Amounts Bismuth in Water Samples Using Cloud Point Extraction with 2-Amino-Cyclopentene-1-Dithiocarboxylic Acid', Journal of Chemical Health Risks, 2(1), pp. -. doi: 10.22034/jchr.2012.543985
Moghimi, A. Extraction of Ultra Trace Amounts Bismuth in Water Samples Using Cloud Point Extraction with 2-Amino-Cyclopentene-1-Dithiocarboxylic Acid. Journal of Chemical Health Risks, 2012; 2(1): -. doi: 10.22034/jchr.2012.543985

Extraction of Ultra Trace Amounts Bismuth in Water Samples Using Cloud Point Extraction with 2-Amino-Cyclopentene-1-Dithiocarboxylic Acid

Article 5, Volume 2, Issue 1, Winter 2012  XML PDF (292.24 K)
DOI: 10.22034/jchr.2012.543985
Author
A. Moghimi
Department of Chemistry, Varamin (Pishva) Branch, Islamic Azad University, Varamin, Iran
Receive Date: 10 March 2012,  Revise Date: 18 February 2019,  Accept Date: 29 October 2018 
Abstract
A new approach for a cloud point extraction-electrothermal atomic absorption spectrometric method was used for determining bismuth. The aqueous analyte was acidified with sulfuric acid (pH 3.0–3.5). Triton X-114 was added as a surfactant and 2-amino-cyclopentene-1-dithiocarboxylic acid was used as a complexing agent. After phase separation at 50 ◦C based on the cloud point separation of the mixture, the surfactant-rich phasen was diluted using tetrahydrofuran (THF). Twenty microliters (20 μL) of the enriched solution and 10 µl of 0.1% (w/v) Pd (NO3)2 as chemical modifier were dispersed into the graphite tube and the analyte was determined by electrothermal atomic absorption spectrometry. After optimizing extraction conditions and instrumental parameters, a preconcentration factor of 195 was obtained for a sample of only 10 mL. The detection limit was 0.04 ng ml−1 and the analytical curve was linear for the concentration range of 0.04–0.70 ng mL−1. Relative standard deviations were <5%. The method was successfully applied for the extraction and determination of bismuth in water samples. 
Keywords
Cloud point extraction; Bismuth; Electrothermal atomic absorption spectrometry; 2-aminocyclopentene- 1-dithiocarboxylic acid; Tap water
References
  1. Acar O., A. R. Türker and Z. Kilic, 1997.
  2. Fresenius, J. Anal. Chem. 357 , 656-661.
  3. Bertholf R. L. and B.W. Renoe, 1982. Anal. Chim.
  4. Acta 139, 287-295.
  5. Burguera M., J.L. Burguera, C. Rondon and M.I.
  6. Garcia, 2001. J. Anal. At. Spectrom. 16, 1190-
  8. Garrido M., M. S. Di Nezio, A. G. Lista, M. B. S.
  9. Palomeque and Fernández Band, 2004. Anal.
  10. Chim. Acta 502,173-180.
  11. Bi with CPE Bi without CPE
  12. Concentration rang (ng mL-1) 0.04-0.70 4-110
  13. Slope 0.756 0.0038
  14. Intercept 0.018 0.004
  15. Correlation coefficient(R) 0.9993 0.9994
  16. R.S.D.(%) (n= 5)a 4.0 4.7
  17. LOD(ng ml-1)b 0.04 1.5
  18. Enhancement factorc 195 -
  19. Havezov I., A. Detcheva and Rendl,
  20. J.Mikrochim. Acta 119 ,147-153.
  21. He B. and Z.-M., Ni, 1996. J. Anal. At. Spectorm.
  22. , 165-172.
  23. Imai S., N. Hasegawe, Y. Nishiyama, Y. Hayashi
  24. and K. Satio, 1996. J. Anal. At. Spectrom. 11 ,
  25. -609.
  26. Manzoori J. L. and G. Karim-Nezhad, 2003. Anal.
  27. Sci. 19,579-585.
  28. Marczenko Z., 1986. Separation and
  29. Spectrophotometric Determination of Elements,
  30. Ellis Horwood, Chichester, UK, p. 169-
  32. Moghimi A. and R.Ghiasi, 2008. Journal of the
  33. Korean Chemical Society, Vol. 52,No. 4
  34. Moghimi A., 2007. Chinese Journal of Chemistry
  35. Vol. 25, Issue 12,1842-1847.
  36. Shan, X.-Q. and B. Wen, 1995. J. Anal. At.
  37. Spectrom. 10, 791-796.
  38. Wei-Ming, Y. and N. Zhe-Ming, 1997.
  39. Spectrochim. Acta B 52, 241
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