Sensitive solid-state optical sensible materials for photothermal determination of trace metals

. Methods of photothermal (thermal-lens) determination of iron and mercury on the basis of solid polymer matrices with immobilized reagents are developed. These methods combine selective and efficient preconcentration of trace elements to be analyzed on a transparent polymer matrix, the sensitivity...

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Bibliographic Details
Published in:The European physical journal. ST, Special topics Special topics, 2008, Vol.153 (1), p.25-28
Main Authors: Nedosekin, D. A., Saranchina, N. V., Mokhova, O. V., Ageeva, E. V., Gavrilenko, N. A., Proskurnin, M. A., Mokrousov, G. M.
Format: Article
Language:English
Subjects:
Atomic
Classical and Continuum Physics
Condensed Matter Physics
Materials Science
Measurement Science and Instrumentation
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
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Summary:. Methods of photothermal (thermal-lens) determination of iron and mercury on the basis of solid polymer matrices with immobilized reagents are developed. These methods combine selective and efficient preconcentration of trace elements to be analyzed on a transparent polymer matrix, the sensitivity of determination with the reliable and traceable photometric procedures and highly sensitive thermal-lens detection (enhanced in polymers compared to solutions). The advantage of this approach is in the use of sensitive organic reagents previously developed for spectrophotometry. In this study, transparent polymethacrylate matrices modified with copper dithizonate and 1,10-phenanthroline were applied to the determination of mercury(II) and iron(II), respectively.
ISSN:1951-6355
1951-6401
DOI:10.1140/epjst/e2008-00385-8