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Prilog karakterizaciji i određivanju nekih neonikotinoida

Contribution to the Characterisation and Determination of some Neonicotinoids

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2006
Disertacija.pdf (18.39Mb)
Author
Gužvanj, Valerija
Mentor
Gal, Ferenc
Committee members
Bjelica, Luka
Abramović, Biljana
Lazić, Sanja
Čanadi, Janoš
Gal, Ferenc
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Abstract
U okviru ove doktorske disertacije pažnja je sa jedne strane posvećena razradi NMR spektrometrijskih i veoma osetljivih hromatografskih (HPLC/DADi HPLC/TLS) metoda, a sa druge strane razradi jednostavnijih spektrofotometrijskih i voltametrijskih metoda za određivanje odabranih neonikotinoida. Kao posebno vredan doprinos, razrađena je metoda pripreme ekološki pogodne bizmut-film elektrode na staklastom ugljeniku i na planarnoj ugljeničnoj elektrodi. Efikasnost elektrode je upoređena sa elektrodom modifikovanom filmom od žive. Za ispitivanje površine radnih elektroda primenjena je i (SEM/EDS) metoda. Razrađene metode su testirane za određivanje neonikotinoida iz komercijalnih formulacija, kao i iz uzoraka krompira, kukuruza, paprike, meda i površinske vode.
The Ph. D. thesis is concerned with the development of NMR spectrometric and very sensitive chromatographic (HPLC/DAD and HPLC/TLS) methods, on the one  hand, and simpler spectrophotometric and voltammetric methods on the other, for the  determination of selected neonicotinoids. As an especially valuable contribution, a procedure has  been developed for the preparation of an environment-friendly bismuth film electrode on glassycarbon and planar carbon electrode. The achieved efficiency of such electrode was compared with that of mercury film electrode. Surface morphology of the working electrodes was studied by the SEM/EDS method. The developed methods have been tested for the determination of the neonicotinoids from their commercial formulations, as well as from samples of potato,  maize, pepper, honey, and surface water.
Faculty:
Универзитет у Новом Саду, Природно-математички факултет
Date:
11-07-2006
Keywords:
neonikotinoidi / Pesticide / HPLC/DAD / HPLC/TLS / NMR / voltametrija / spektrofotometrija / neonicotinoids / NMR / HPLC/DAD / HPLC/TLS / voltammetry / spectrophotometry

DOI: 10.2298/ns20060711guzvanj

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Handle
https://hdl.handle.net/21.15107/rcub_nardus_1708
URI
https://nardus.mpn.gov.rs/handle/123456789/1708
http://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija139591341029459.pdf?controlNumber=(BISIS)16654&fileName=139591341029459.pdf&id=1659&source=NaRDuS&language=sr
http://www.cris.uns.ac.rs/record.jsf?recordId=16654&source=NaRDuS&language=sr

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