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Synchrotron radiation total reflection X-ray fluorescence (SR-TXRF) for evaluation of food contamination |
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| Authors: | A. E. S. Vives S. Moreira S. M. B. Brienza O. L. A. Zucchi V. F. Nascimento Filho |
| Affiliation: | 32201. UNIMEP/FEAU, rodovia Santa Bárbara D'Oeste/Iracemápolis, km 1, 13450-000 Santa Bárbara D'Oeste (SP), Brazil 32202. UNICAMP/FEC, P.O. Box 6021, 13083-970 Campinas (SP), Brazil 32203. UNIMEP/FEAU, rodovia Santa Bárbara D'Oeste/Iracemápolis, km 1, 13450-000 Santa Bárbara D'Oeste (SP), Brazil 32204. USP/FCFRP, avenida do Café, s/n., 14040-903 Ribeir?o Preto (SP), Brazil 32205. USP/CENA, avenida Centenário, n. 303, 13400-970 Piracicaba (SP), Brazil |
| Abstract: | Summary The objective of this study was to use synchrotron radiation total reflection X-ray fluorescence analysis (SR-TXRF) for the determination of metals and other elements in food available to the population in commercial establishments, in order to evaluate the risks of contamination by these products. The analyzed species were vegetables, leafy vegetables, fruits, cereal and grain. The results indicated that some species were contaminated by Cr, Cu, Zn and Pb with concentrations much higher than the reference values. |
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