Procedure for the classification of fulvic acids and similar substances based on the variation with pH of their synchronous fluorescence spectra

Analyst

Volumn 122, Issue 11, 1997, Pages 1299-1305

  Esteves Da Silva, Joaquim C G ^a   Machado, Adélio A S C ^a  

^a UNIVERSITY OF PORTO   (Portugal)

Author keywords

Acid base properties; Evolving factor analysis; Fulvic acids classification; Pattern recognition; Synchronous fluorescence

Indexed keywords

FULVIC ACID;

ACID BASE BALANCE; ARTICLE; CLUSTER ANALYSIS; CONTROLLED STUDY; FACTORIAL ANALYSIS; FLUORESCENCE ANALYSIS; HUMIC SUBSTANCE; PATTERN RECOGNITION; PH;

EID: 0030727210     PISSN: 00032654     EISSN: None     Source Type: Journal    
DOI: 10.1039/a703652c     Document Type: Article

References (28)

1. Frimmel, F. H., and Bauer, H., Sci. Total Environ., 1987, 62, 139.
2. Miano, T. M., Sposito, G., and Martin, J. P., Soil Sci. Soc. Am. J., 1988, 52, 1016.
3. Senesi, N., Miano, T. M., Provenzano M. R., and Brunetti, G., Sci. Total Environ., 1989, 81/82, 143.
4. Shotyk, W., and Sposito, G., Soil Sci. Soc. Am. J., 1990, 54, 1305.
5. Senesi, N., Anal. Chim. Acta, 1990, 232, 77.
6. Senesi, N., Miano, T. M., and Provenzano, M. R., in Humic Substances in the Aquatic and Terrestral Environment, ed. Allard, B., Bóren, U., and Grimvall, A., Springer, Berlin, 1991, pp. 63-73.
7. Cabaniss, S. E., Environ. Sci. Technol., 1992, 26, 1133.
8. Senesi, N., in Humus, its Structure and Role in Agriculture and Environment, ed. Kubat, J., Elsevier, Amsterdam, 1992, pp. 11-26.
9. Machado, A. A. S. C., and Esteves da Silva, J. C. G., Chemom. Intell. Lab. Syst., 1993, 19, 155.
10. Lakshman, S., Mills, R., Patterson, H., and Cronan, C., Anal. Chim. Acta, 1993, 282, 101.
11. Silva, C. S. P. C. O., Esteves da Silva, J. C. G., and Machado, A. A. S. C., Appl. Spectrosc., 1994, 48, 363.
12. Esteves da Silva, J. C. G., and Machado, A. A. S. C., Talanta, 1994, 41, 2095.
13. Esteves da Silva, J. C. G., Machado, A. A. S. C., and Maia, J. A. C., Anal. Chim. Acta, 1994, 292, 121.
14. Esteves da Silva, J. C. G., and Machado, A. A. S. C., Anal. Lett., 1995, 28, 2401.
15. Casassas, E., Marqués, I., and Tauler, R., Anal. Chim. Acta, 1995, 310, 473.
16. Esteves da Silva, J. C. G., Machado, A. A. S. C., and Garcia, T. M. O., Appl. Spectrosc., 1995, 49, 1500.
17. Esteves da Silva, J. C. G., and Machado, A. A. S. C., Chemom. Intell. Lab. Syst., 1995, 27, 115.
18. Pullin, M. J., and Cabaniss, S. E., Environ. Sci. Technol., 1995, 29, 1460.
19. Esteves da Silva, J. C. G., Machado, A. A. S. C., and Silva, C. S. P. C. O., Anal. Chim. Acta, 1996, 318, 365.
20. Esteves da Silva, J. C. G., and Machado, A. A. S. C., Analyst, 1995, 120, 2553.
21. Zuppan, J., Clustering of Large Data Sets, Research Studies Press, Chichester, 1982.
22. Mardia, K. V., Kent, J. T., and Bibby, J. M., Mulivariate Analysis, Academic Press, London, 1979, ch. 14.
23. Thurman, E. M. (Rapporteur), in Humic Substances and Their Role in the Environment, ed. Frimmel, F. H., and Christman, R. F., Wiley-Interscience, New York, 1988, pp. 31-43.
24. Esteves da Silva, J. C. G., Machado, A. A. S. C., Ferreira, M. A., and Rey, F., in preparation.
25. Silva, M. A. B. A., Final Year Dissertation, BSc Chemistry, Faculdade de Ciências, Porto, 1996.
26. Esteves da Silva, J. C. G., Machado, A. A. S. C., and Silva, M. A. B. A., Water Res., 1997, in the press.
27. Gamp, H., Maeder, M., Meyer, C. J., and Zuberbuhler, A. D., Talanta, 1985, 32, 1133.
28. Gamp, H., Maeder, M., Meyer, C. J., and Zuberbuhler, A. D., Talanta, 1986, 33, 943.