@article{article9d3b41b1,
title   = {On-line preconcentration employing a tannin resin for copper determination in vegetable material and food stuff by atomic absorption spectrometry},
author = {Miranda, C E S and Olivares, S and Reis, Boaventura Freire dos and Luzardo, F M and Baccan, Nivaldo},
year = {2000},
doi = {10.1590/s0103-50532000000100009},
journal   = {Journal of the Brazilian Chemical Society}
}