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Transfer of Triazine-iron(II) Chromic Complexes Left by Iron Items on Textile Background and Human Skin

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The research is focused on the detection and transfer of iron traces left by iron items on clothing and human skin. The method is based on the formation of colored complexes between ferrous ions and five synthesized, mostly new triazines. Iron traces originally were left by iron rings on slightly wetted (artificial sweat) cotton fabrics and subsequently transferred to a separate textile substrate. Prior to the use of trazines the contact spots were treated with a new inorganic reducing agent (Sn2+) to reduce Fe3+ to Fe2+. The method is sensitive to detect iron traces on wetted canvas after 10 min contact with iron items. More spectacular results were obtained for traces left on human palm even after very short contact (10 sec). The new iron-trace-transfer method eliminated the contact of triazines solutions with human skin. Transmission visible spectra of Fe(II)–triazine complexes were determined.

Keywords: ferrous ion complexes; forensic science; iron traces detection; iron traces transfer; triazine synthesis

Document Type: Research Article


Affiliations: Faculty of Chemistry, Nicholas Copernicus University, 87-100 Torun, Poland.

Publication date: July 1, 2010


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