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TLC Retention Behavior of Brodifacoum, Bromadiolone, and Coumatetralyl and their Impurities on Different Adsorbents

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2009
Authors
Tosti, Tomislav
Rakić, Gordana
Natić, Maja
Milojković-Opsenica, Dušanka
Husinec, Suren
Savić, Vladimir
Tešić, Živoslav
Article (Published version)
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Abstract
The chromatographic behavior of three biocidal technical materials, rodenticide active ingredients brodifacoum, bromadiolone, and coumatetralyl, and impurities present in the technical material was investigated by both normal-phase (NP) and reversed-phase (RP) planar chromatography. The research was carried out using thin-layers of silica gel, alumina, cellulose, and C-18 silica. Several solvents on their own or in various combinations and proportions were used for separation. The optimum chromatographic systems for separation of the substances from each other and from their impurities were selected. Under reversed-phase chromatographic (RPC) conditions a linear correlation between R-M values and mobile phase composition was established. From results obtained, the lipophilicity R-M(o) and C-0 were determined. Possible separation mechanisms are discussed on the basis of the established retention behavior.
Keywords:
Brodifacoum / Bromadiolone / Coumatetralyl / Lipophilicity
Source:
Journal of Planar Chromatography - Modern TLC, 2009, 22, 5, 333-343
Publisher:
  • Akademiai Kiado Zrt, Budapest
Projects:
  • Sinteza, analiza i aktivnost novih organskih polidentatnih liganada i njihovih kompleksa sa d-metalima (RS-142062)

DOI: 10.1556/JPC.22.2009.5.4

ISSN: 0933-4173

WoS: 000271874900004

Scopus: 2-s2.0-71049115993
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URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1199
http://cer.ihtm.bg.ac.rs/handle/123456789/3508
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