Zobrazeno 1 - 10
of 91
pro vyhledávání: '"F. Gaál"'
Autor:
BILJANA F. ABRAMOVIĆ, LUKA J. BJELICA, SANJA D. LAZIĆ, FERENC F. GAÁL, ZSIGMOND J. PAPP, VALÉRIA J. GUZSVÁNY
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 12, Pp 1455-1465 (2009)
A simple first-order derivative spectrophotometric method was developed for the simultaneous determination of imidacloprid and 6-chloronicotinic acid (6-CNA). By using the zero-crossing approach, imidacloprid was determined at 249.0 nm and 6-CNA at 2
Externí odkaz:
https://doaj.org/article/ddbb17dc7dc841ba835ee6fba1e0d587
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1465-1475 (2007)
The applicability of differently modified glassy carbon (GC) electrodes for direct or indirect determinations of various physiologically active compounds (insecticides and pharmaceuticals) in different formulations and some real samples was investiga
Externí odkaz:
https://doaj.org/article/ed6ececf3094431696cfaf8090819891
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1477-1486 (2007)
The stability of the herbicide clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) was studied under different experimental conditions of pH, illumination and initial substrate concentration. It was found that in the pH interval from 1.0 to 9.0 in th
Externí odkaz:
https://doaj.org/article/787bb55b608f4686b91faeb24d28a49f
Autor:
BILJANA F. ABRAMOVIC, VESNA B. ANDERLUH, DRAGAN VESELINOVIC, FERENC F. GAÁL, DANIELA V. SOJIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 8-9, Pp 809-819 (2007)
A derivative spectrophotometric method for the determination of the herbicides picloram (4-amino-3,5,6-trichloropicolinic acid) and triclopyr (3,5,6-trichloro-2-pyridyloxyacetic acid) in mixtures was developed in this work. Derivative spectrophotomet
Externí odkaz:
https://doaj.org/article/3840a761a1b6409ab988206902594ac2
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 7, Pp 1005-1013 (2005)
The determination of deoxynivalenol (DON) in corn by liquid chromatography with DAD detection was optimized. The separations were achieved on a Hypersil ODS column (100 × 4.6 mm; particle size 5 mm) by isocratic elution (0.6 cm3/min), a mobile phase
Externí odkaz:
https://doaj.org/article/a3c858eb633446b78c7f993b4f21fd79
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 5, Pp 735-743 (2005)
A simple voltammetric method using a glassy carbon working electrode was developed for the determination of two members from the neonicotinoid group of insecticides: imidacloprid and thiamethoxam. The experiments showed that the voltammetric response
Externí odkaz:
https://doaj.org/article/b2b2f16bf2f742e3abd6542aeb9024f7
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 12, Pp 961-970 (2003)
The direct photolysis and photocatalytic degradation of a pyridine pesticide analogue, 2-amino-5-chloropyridine, were investigated employing different analytical techniques potentiometry, for monitoring the pH and chloride generation, spectrophotomet
Externí odkaz:
https://doaj.org/article/ee3c73eac5c7413090400c6d966a2ace
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 3, Pp 179-188 (2001)
Acomparative study was carried out of the potentiometric application of boronand phosphorus-doped and undoped glassy carbon samples prepared at the same heat treatment temperature (HTT 1000°C). The electrochemical activities of the obtained electrod
Externí odkaz:
https://doaj.org/article/5bd65980eb594cd2ad1d3fa041bf1670
Publikováno v:
Microchimica Acta. 166:169-175
The voltammetry of imidacloprid was investigated by using three kinds of carbon paste electrodes (CPEs) based on tricresyl phosphate, silicone oil, and n-tetradecane. The tricresyl phosphate-based carbon paste electrode exhibited the best analytical
Autor:
Ferenc F. Gaál, Luka J. Bjelica, Zsigmond Papp, Biljana F. Abramović, Sanja Lazić, Valéria Guzsvány
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 12, Pp 1455-1465 (2009)
A simple first-order derivative spectrophotometric method was developed for the simultaneous determination of imidacloprid and 6-chloronicotinic acid (6-CNA). By using the zero-crossing approach, imidacloprid was determined at 249 nm and 6-CNA at 236