Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: Cadmium determination by FAAS

Spectrochimica acta, Part B: Atomic spectroscopy

Volumn 55, Issue 9, 2000, Pages 1497-1502

  Lemos, Valfredo A ^a,d   Santelli, Ricardo E ^b   De Carvalho, Marcelo S ^c   Ferreira, Sérgio L C ^a  

^a FEDERAL UNIVERSITY OF BAHIA   (Brazil)

^b FLUMINENSE FEDERAL UNIVERSITY   (Brazil)

^c INSTITUTO DE ENGENHARIA NUCLEAR   (Brazil)

^d UNIVERSIDADE ESTADUAL DO SUDOESTE DA BAHIA   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION SPECTROSCOPY; ATOMIC SPECTROSCOPY; CADMIUM; COMPUTATIONAL METHODS; FOAMED PLASTICS; POLYURETHANES; TRACE ANALYSIS; TRACE ELEMENTS;

FLAME ATOMIC ABSORPTION SPECTROPHOTOMETRY (FAAS);

SPECTROPHOTOMETRY;

EID: 0034275448     PISSN: 05848547     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0584-8547(00)00257-3     Document Type: Article

References (18)

1. Welz B. Atomic Absorption Spectrometry. 2nd ed:1985;VCH.
2. Fang Z. Flow Injection Separation and Preconcentration. 1993;John Wiley, Chichester.
3. Thurman E.M., Mills M.S. Solid-Phase Extraction - Principles and Practice. 1998;John Wiley & Sons.
4. H.T.M. Bowen, Absorption by polyurethane foams; new method of separation, J. Chem. Soc. A (1970) 1082-1085.
5. Lypka G.N., Gesser H.D., Chow A. Foam chromatography: the extraction and separation of a copper-cadmium system by benzoylacetone-treated polyurethane foam. Anal. Chim. Acta. 78:1975;367-373.
6. Hamza A.G., Farag A.B., Al-Herthani A. Detection and semiquantitative determination of cadmium and copper using polyurethane foam loaded with selective reagents. Microchem. J. 32:1985;13-17.
7. Hu X., Luo S., Si J. Preconcentration and determination of trace Cd-(II) in water samples using 8-hydroxyquinoline-phenolphthalein-loaded foam. Fenxi Kexue Xuebao. 12:1996;49-51.
8. Chakrabarti N., Roy S.K. Extraction of cadmium(II)-phenantroline complex on polyurethane foam using dithizone as counter-ion for its spectrophotometric determination in commercial zinc oxides. J. Indian Chem. Soc. 74:1997;474-476.
9. Jesus D.S., Casella R.J., Ferreira S.L.C., Costa A.C.S., Carvalho M.S., Santelli R.E. Polyurethane foam as a sorbent for continuous flow analysis: Preconcentration and spectrophotometric determination of zinc in biological materials. Anal. Chim. Acta. 366(1-3):1998;263-269.
10. Casella R.J., Bitencourt D.T., Branco A.G., Ferreira S.L.C., de Jesus D.S., Carvalho M.S., Santelli R.E. On-line preconcentration system for flame atomic absorption spectrometry using unloaded polyurethane foam: determination of zinc in waters and biological materials'. J. Anal. At. Spectrom. 14:1999;1749-1753.
11. Ferreira S.L.C., de Jesus D.S., Casella R.J., Costa A.C.S., Carvalho M.S., Santelli R.E. An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys. Anal. Chim. Acta. 378:1999;287-292.
12. Casella R.J., Santelli R.E., Branco A.G., Lemos V.A., Ferreira S.L.C., Carvalho M.S. Selectivity enhancement in spectrophotometry: on-line interference supression using polyurethane foam minicolumn for aluminum determination with methylthymol blue. Analyst. 124:1999;805-808.
13. Gusev S.I., Zhvakina M.V., Kozhevnikova I.A. Synthesis and study of some o-hydroxyphenylazo-benzothiazoles and their interaction with different cations. Zh. Anal. Khim. 26(5):1971;859-863.
14. Gusev S.I., Shevaldina I.M., Kurepa G.A. Reaction between thallium (III) and benzothiazolylazo compounds. Zh. Anal. Khim. 30:1975;279-283.
15. Hovind H.R. Thiazolylazo dyes and their applications in analytical chemistry. Analyst. 100:1975;769-796.
16. Ferreira S.L.C., Lemos V.A., Costa A.C.S., Jesus D.S., Carvalho M.S. Solid-Phase extraction for interference elimination in spectrophotometric determination of aluminium in iron ores. J. Braz. Chem. Soc. 9:1998;151-156.
17. Enriquez-Dominguez M.F., Yebra-Biurrun M.C., Bermejo-Barrera M.P. Determination of cadmium in mussels by flame atomic absorption spectrometry with preconcentration on chelating resin in a flow injection system. Analyst. 123:1998;105-108.
18. Braun T., Farag A.B., Navratil D. Polyurethane Foam Sorbents in Separation Science. 1985;CRC.