Determination of metal ions in natural waters by flame-AAS after preconcentration on a 5-amino-1,3,4-thiadiazole-2-thiol modified silica gel

Analytical Letters

Volumn 32, Issue 9, 1999, Pages 1807-1820

  De Magalhães Padilha, Pedro ^a   De Melo Gomes, Luis A ^a   Federici Padilha, Cilene C ^a   Moreira, José Celso ^a   Dias Filho, Newton L ^a  

^a SÃO PAULO STATE UNIVERSITY UNESP   (Brazil)

Author keywords

5 amino 1,3,4 thiadiazole 2 thiol modified silica gel; Preconcentration; Water analysis

Indexed keywords

METAL ION; SILICA GEL; THIADIAZOLE DERIVATIVE;

ADSORPTION; ANALYTIC METHOD; ARTICLE; ATOMIC ABSORPTION SPECTROMETRY; CHEMICAL ANALYSIS; DRUG DETERMINATION; WATER ANALYSIS; WATER SAMPLING;

EID: 0345535833     PISSN: 00032719     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (15)

1. P. W. Balls, Mar. Pollut. Bull., 20, 8 (1989).
2. R. D. Wilken, Fresenius J. Anal. Chem., 342, 795 (1992).
3. N.L.D. Filho, Y. Gushikem, E. Rodrigues, J. C. Moreira and W. L. Polito, J.Chem. Soc. Dalton Trans., 9, 1493 (1994).
4. N. L. D. Filho, Y. Gushikem and W. L. Polito, Anal. Chim. Acta, 306, 167 (1995).
5. N. L. D. Filho and Y. Gushikem, J. Mol. Struc. (Theochem.), 335, 175 (1995).
6. P. Lessi, N. L. D. Filho, J. C. Moreira and J. T .S. Campos, Anal. Chim . Acta, 327, 183 (1996).
7. J. C. Moreira and Y. Gushikem, Anal. Chim. Acta, 176, 263 (1985).
8. N. L. D. Filho, Y. Gushikem, J. C. Moreira, W. L. Polito and E. Rodrigues, J.Braz. Soc., 5 (1), 53 (1994).
9. N.L. D. Filho, Y. Gushikem, W. L. Polito, J. C. Moreira and E. O. Ehrim, Talanta, 42, 1625 (1995).
10. Y. Gushikem and J. C. Moreira, J. Colloid Interface Sci., 107, 70 (1985).
11. L. T. Kubota, M. Ionashiro and J.C. Moreira, Ecl. Quim., 13, 19 (1988).
12. P. Burba, P. G. Wilmer, Fresenius J. anal. Chem., 324, 167 (1992).
13. P.M. Padilha, J.C. Rocha, J.C. Moreira, J.T.S. Campos and C.C. Federici, Talanta, 45, 317 (1997).
14. R. G. Pearson, J. Am. Chem. Soc., 85 (22), 3533 (1963).
15. I. A. S. Toscano, J. C. Rocha and P. Burba, Talanta, 44, 69 (1997).