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  • 1 Faculty of Chemical Engineering and Technology Department of Analytical Chemistry Marulićev trg 20 HR-10000 Zagreb Croatia
  • 2 Faculty of Mechanical Engineering and Naval Architecture Department of Materials Ivana Lučića 5 HR-10000 Zagreb Croatia
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Qualitative identification of Cu, Sn, Pb, Ni, and Fe in Cu-alloys is presented. The method involves anodic sampling of alloys, separation and identification by thin-layer chromatography (TLC). The powerful desktop-computer tool makes it easy to optimize ternary solvent mixtures. Optimization was performed graphically by means of Rsi≥1 as a selected separation criterion. Mobile phase composition for optimal separation was determined as MeOH−HCl−H2O (60:35:5, v/v). The method was applied to Persian helmet as real sample.

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