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Electrothermal atomic absorption spectrometric determination of trace elements in high-purity silver after total and
S Arpadjan1, I Karadjova, L Jordanova
1Faculty of Chemistry, University of Sofia, Bulgaria.
Fresenius' Journal of Analytical Chemistry
|February 28, 2001
Abstract:
A sensitive and reliable ETAAS determination of metal traces in high purity silver after total (Bi, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb) and partial (As, Hg, Sb, Se) separation of the matrix with ascorbic acid is described. The temperature program is optimized for analyte determination in ascorbic acid media and in 1% silver solution.