On-line electrolytic dissolution for lead determination in high-purity copper by isotope dilution inductively coupled plasma mass spectrometry - Packer, Ana Paula; Gervásio, Ana Paula Gebelein; Miranda, Carlos E. S; Reis, Boaventura Freire dos; Menegário, Amauri Antônio; Giné-Rosias, Maria Fernanda Georgina (Analytica Chimica Acta, 2003)