Collect. Czech. Chem. Commun.
1986, 51, 2466-2472
https://doi.org/10.1135/cccc19862466
Polarographic and voltammetric determination of 6-mercaptopurine and 6-thioguanine
Jiří Barek, Antonín Berka, Ludmila Dempírová and Jiří Zima
Department of Analytical Chemistry, Charles University, 128 40 Prague 2
Individual author index pages
Other CCCC articles of these authors
- Vlastimil Vyskočil*, Ivan Jiránek, Aleš Daňhel, Jiří Zima, Jiří Barek, Joseph Wang and Karolina Pecková
Polarographic and voltammetric determination of genotoxic nitro derivatives of quinoline using mercury electrodes
2011, Vol. 76, Issue 12, pp. 1991–2004 [Abstract] - Karolina Pecková*, Markéta Průchová, Josino C. Moreira, Jiří Barek, Jan Fischer and Vlastimil Vyskočil
Voltammetric determination of flutamide and its metabolite 4-nitro-3-trifluoromethylaniline at a hanging mercury drop minielectrode
2011, Vol. 76, Issue 12, pp. 1811–1823 [Abstract] - Andrea Hájková, Vlastimil Vyskočil*, Aleš Daňhel, Joseph Wang and Jiří Barek
Polarographic and voltammetric determination of genotoxic 2-aminofluoren-9-one at mercury electrodes
2011, Vol. 76, Issue 12, pp. 1775–1790 [Abstract] - Dana Deýlová, Jiří Barek* and Vlastimil Vyskočil
Voltammetric determination of 6-nitrobenzimidazole in the presence of surfactants
2011, Vol. 76, Issue 11, pp. 1317–1325 [Abstract] - Aleš Daňhel*, Josino C. Moreira, Silvana Jacob and Jiří Barek
Influence of the soil organic matter content on voltammetric determination of derivatised glyphosate in herbicide contaminated soils
2011, Vol. 76, Issue 10, pp. 1263–1275 [Abstract] - Jiří Zima*, Veronika Tinková, Joseph Wang and Jiří Barek
Voltammetric determination of 1,2-diaminoanthraquinone using carbon paste electrode
2011, Vol. 76, Issue 8, pp. 1033–1041 [Abstract] - Ferenc T. Pastor, Hana Dejmková, Jiří Zima and Jiří Barek*
Determination of chloramphenicol by differential pulse voltammetry at carbon paste electrodes – The use of sodium sulfite for removal of oxygen from electrode surface
2011, Vol. 76, Issue 5, pp. 383–397 [Abstract] - Zuzana Jemelková*, Jiří Zima and Jiří Barek
Electroanalysis of some catecholamines at a single-wall nanotubes modified carbon paste electrode
2010, Vol. 75, Issue 12, pp. 1217–1228 [Abstract] - Tomáš Navrátil*, Jiří Barek and Miloslav Kopanica
Anodic stripping voltammetry using graphite composite solid electrode
2009, Vol. 74, Issue 11-12, pp. 1807–1826 [Abstract] - Karolina Pecková*, Lucie Vrzalová, Vladimír Bencko and Jiří Barek
Voltammetric and amperometric determination of N-nitroso antineoplastic drugs at mercury and amalgam electrodes
2009, Vol. 74, Issue 11-12, pp. 1697–1713 [Abstract] - Vlastimil Vyskočil* and Jiří Barek
Polarographic and voltammetric study of genotoxic 2,7-dinitrofluoren-9-one and its determination using mercury electrodes
2009, Vol. 74, Issue 11-12, pp. 1675–1696 [Abstract] - Zuzana Jemelková, Jiří Zima* and Jiří Barek
Voltammetric and amperometric determination of doxorubicin using carbon paste electrodes
2009, Vol. 74, Issue 10, pp. 1503–1515 [Abstract] - Lenka Němcová*, Jiří Zima and Jiří Barek
Determination of 5-amino-6-nitroquinoline at a carbon paste electrode
2009, Vol. 74, Issue 10, pp. 1477–1488 [Abstract] - Dana Deýlová, Jiří Barek* and Vlastimil Vyskočil
Polarographic and voltammetric determination of 6-nitrobenzimidazole and mechanism of its electrochemical reduction
2009, Vol. 74, Issue 10, pp. 1443–1454 [Abstract] - Ljubiša M. Ignjatović*, Jiří Barek, Jiří Zima and Milica C. Stević
Adsorptive Stripping Voltammetric Determination of 1,1-Dimethyl-3-phenyltriazene
2008, Vol. 73, Issue 1, pp. 97–106 [Abstract] - Ljubiša M. Ignjatović*, Jiří Barek, Jiří Zima and Dragan A. Marković
Polarographic Behavior and Determination of 1,1-Dimethyl-3-phenyltriazene
2007, Vol. 72, Issue 9, pp. 1229–1243 [Abstract] - Karel Čížek, Jiří Barek* and Jiří Zima
Polarographic and Voltammetric Determination of Trace Amounts of 3-Nitrofluoranthene
2006, Vol. 71, Issue 11-12, pp. 1571–1587 [Abstract] - Natalija German, Saulius Armalis, Jiří Zima* and Jiří Barek
Voltammetric Determination of Fluoren-9-ol and 2-Acetamidofluorene Using Carbon Paste Electrodes
2005, Vol. 70, Issue 3, pp. 292–304 [Abstract] - Kumaran Shanmugam, Jiří Barek* and Jiří Zima
Polarographic and Voltammetric Determination of Submicromolar Concentrations of Genotoxic 1,5-Dinitronaphthalene
2004, Vol. 69, Issue 11, pp. 2021–2035 [Abstract] - Jiří Barek*, Jiří Zima, Josino C. Moreira and Alexandr Muck
Polarographic and Voltammetric Determination of 1-Nitropyrene
2000, Vol. 65, Issue 12, pp. 1888–1896 [Abstract] - Jiří Barek, Pham Tuan Hai, Viktor Mejstřík, Josino C. Moreira and Jiří Zima
Polarographic and Voltammetric Determination of N,N-Dimethyl-4-amino-4'-sulfoazobenzene
1997, Vol. 62, Issue 4, pp. 597–608 [Abstract] - Jiří Barek, Roman Hrnčíř, Josino C. Moreira and Jiří Zima
Polarographic and Voltammetric Determination of 4,4'-Bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic Acid
1996, Vol. 61, Issue 5, pp. 663–672 [Abstract] - Jiří Barek, Roman Hrnčíř, Josino C. Moreira and Jiří Zima
Polarographic Determination of 6-β-D-Glucopyranosyloxy-7-hydroxycoumarin
1996, Vol. 61, Issue 3, pp. 333–341 [Abstract] - Jiří Barek, Eva Pertileová, Viktor Mejstřík, Josino C. Moreira and Jiří Zima
Polarographic and Voltammetric Determination of 1-(4-Methoxyphenyl)-3-methyltriazene
1996, Vol. 61, Issue 1, pp. 107–119 [Abstract] - Jiří Barek, Roman Hrnčíř, Josino C. Moreira and Jiří Zima
Polarographic and Voltammetric Determination of 4,4'-Bis[(4-phenylamino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic Acid
1995, Vol. 60, Issue 8, pp. 1247–1260 [Abstract] - Jiří Barek, Roman Hrnčíř and Josino C. Moreira
Polarographic Determination of 7-Diethylamino-4-methylcoumarin
1995, Vol. 60, Issue 5, pp. 802–812 [Abstract] - Jiří Barek, Piero Savarino, Lucie Stuchlíková and Jiří Zima
Polarographic Determination of 4'-Substituted Derivatives of 3-Carboxy-4-hydroxy-6-acetylaminoazobenzene
1994, Vol. 59, Issue 11, pp. 2397–2414 [Abstract] - Jiří Barek, Hana Ebertová, Viktor Mejstřík and Jiří Zima
Determination of 2-Nitrophenol, 4-Nitrophenol, 2-Methoxy-5-nitrophenol, and 2,4-Dinitrophenol by Differential Pulse Voltammetry and Adsorptive Stripping Voltammetry
1994, Vol. 59, Issue 8, pp. 1761–1771 [Abstract] - Jiří Barek and Roman Hrnčíř
Polarographic and Voltammetric Determination of 4,4'-Bis[(4-phenylamino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic Acid
1994, Vol. 59, Issue 5, pp. 1018–1029 [Abstract] - Jiří Barek and Roman Hrnčíř
Polarographic and Voltammetric Determination of 7-[4-Methyl-5-phenyl-2-(1,2,3-triazolyl)]-3-phenylcoumarin
1994, Vol. 59, Issue 2, pp. 309–321 [Abstract] - Jiří Barek, Jaroslav Matějka and Jiří Zima
Determination of Acridine, Benz[c]acridine and Dibenz[a,h]acridine by Fast Scan Differential Pulse Voltammetry and Adsorptive Stripping Voltammetry
1994, Vol. 59, Issue 2, pp. 294–308 [Abstract] - Jiří Barek, Dana Dřevínková and Jiří Zima
Polarographic and Voltammetric Determination of 1-(2'-Nitrophenyl)-3,3-dimethyltriazene
1993, Vol. 58, Issue 9, pp. 2021–2038 [Abstract] - Jiří Barek, Dana Dřevínková, Viktor Mejstřík and Jiří Zima
The Polarographic and Voltammetric Determination of N,N-Dimethyl-4-amino-3'-nitroazobenzene
1993, Vol. 58, Issue 2, pp. 295–309 [Abstract] - Jiří Barek, Jana Kubíčková, Viktor Mejstřík and Jiří Zima
The Polarographic and Voltammetric Determination of 1-(3'-Carbamoylphenyl)-3,3-dimethyltriazene
1992, Vol. 57, Issue 11, pp. 2263–2271 [Abstract] - Jiří Barek, Dana Dřevínková, Jiří Zima and Arnold Fogg
The Polarographic Determination of 1-[4'-(Phenylazo)phenyl]-3,3-dimethyltriazene
1992, Vol. 57, Issue 11, pp. 2248–2262 [Abstract] - Jiří Barek, Viktor Mejstřík, Saafa Toubar and Jiří Zima
The Polarographic and Voltammetric Determination of 1(4'-Carbamoylphenyl)-3,3-dimethyltriazene
1992, Vol. 57, Issue 6, pp. 1230–1236 [Abstract] - Jiří Barek, Jaroslav Matějka and Jiří Zima
Polarographic and Voltammetric Determination of Chlorobenzene, Benzyl Chloride and Melphalan
1992, Vol. 57, Issue 3, pp. 450–456 [Abstract] - Jiří Barek, Viktor Mejstřík, Ivana Švagrová and Jiří Zima
The determination of 4-substituted derivatives of N-nitroso-N-methyl aniline by fast scan differential pulse voltammetry at a hanging mercury drop electrode
1991, Vol. 56, Issue 12, pp. 2815–2826 [Abstract] - Jiří Barek, Safa Toubar and Jiří Zima
Polarographic and voltammetric determination of 1-(2’-carbamoylphenyl)-3,3-dimethyltriazene
1991, Vol. 56, Issue 10, pp. 2073–2081 [Abstract] - Jiří Barek, Ivana Švagrová and Jiří Zima
Polarographic and voltammetric determination of N,N’-dinitrosopiperazine
1991, Vol. 56, Issue 7, pp. 1434–1445 [Abstract] - Jiří Barek, Tibor J. Pastor and Jiří Zima
The determination of N,N-dimethyl-4-aminoazobenzene and its reduction products by anodic voltammetry at a glassy carbon electrode
1991, Vol. 56, Issue 6, pp. 1210–1220 [Abstract] - Jiří Barek, Gulamustafa Malik and Jiří Zima
The voltammetric determination of 4-nitrobiphenyl
1991, Vol. 56, Issue 3, pp. 595–601 [Abstract] - Jiří Barek, Jana Kubíčková, Viktor Mejstřík, Oldřich Petira and Jiří Zima
The polarographic and voltammetric determination of the 3'-halogen derivatives of N,N-dimethyl-4-aminoazobenzene
1990, Vol. 55, Issue 12, pp. 2904–2913 [Abstract] - Jiří Barek, Helena Kvapilová, Viktor Mejstřík, Oldřich Petira and Jiří Zima
The polarographic and voltammetric determination of 4-aminoazobenzene
1990, Vol. 55, Issue 11, pp. 2636–2647 [Abstract] - Jiří Protiva, Jaroslav Pecka, Jiří Urban and Jiří Zima
Synthesis of 20-iodoeicosanoic and 20-[125I]-iodoeicosanoic acids
1990, Vol. 55, Issue 6, pp. 1546–1554 [Abstract] - Jiří Barek, Dagmar Civišová, Ashutosh Ghosh and Jiří Zima
The polarographic and voltammetric determination of 2,6-dicyano-4-nitro-2'-acetylamino-4'-diethylaminoazobenzene
1990, Vol. 55, Issue 6, pp. 1508–1517 [Abstract] - Jiří Barek, Helena Kvapilová, Tibor Pastor and Jiří Zima
The coulometric titration of the derivatives of N,N-dimethyl-4-aminoazobenzene by generated trivalent titanium
1990, Vol. 55, Issue 2, pp. 391–402 [Abstract] - Jiří Barek, Dagmar Civišová, Ashutosh Ghosh and Jiří Zima
The polarographic and voltammetric determination of 2,6-dichloro-4-nitro-2'-acetylamino-4'-diethylaminoazobenzene
1990, Vol. 55, Issue 2, pp. 379–390 [Abstract] - Ludmila Dempírová and Zdena Adamcová
Electropolymerization of aniline and some of its derivatives
1989, Vol. 54, Issue 12, pp. 3154–3161 [Abstract] - Jiří Barek, Ivana Švagrová-Hauserová and Jiří Zima
The polarographic and voltammetric determination of 5-(3-phenoxysulphenylazo)-6-hydroxy-3-cyano-1,4-dimethyl-2-pyridone
1989, Vol. 54, Issue 8, pp. 2105–2119 [Abstract] - Jiří Barek, Helena Haladová-Bláhová and Jiří Zima
The polarographic and voltammetric determination of the 4'-haloderivatives of N,N-dimethyl-4-aminoazobenzene
1989, Vol. 54, Issue 6, pp. 1549–1563 [Abstract] - Jiří Barek, Ashutosh Ghosh and Jiří Zima
The polarographic and voltammetric determination of semitrypane blue
1989, Vol. 54, Issue 6, pp. 1538–1548 [Abstract] - Jiří Barek and Jiří Zima
Spectrophotometric and polarographic study of the efficiency of the chemical destruction of some antineoplastic pharmaceuticals
1989, Vol. 54, Issue 2, pp. 361–369 [Abstract] - Jiří Barek, Janina Balsiene, Barbara Tietzová and Jiří Zima
The polarographic and voltammetric determination of trypane blue
1988, Vol. 53, Issue 5, pp. 921–928 [Abstract] - Jiří Barek, Jana Balsiene, Antonín Berka, Ivana Hauserová and Jiří Zima
The polarographic and voltammetric determination of 2-amino-5-sulphoamoylnaphthalene-azo-(2’-chloro-4’-nitrobenzene)
1988, Vol. 53, Issue 1, pp. 19–33 [Abstract] - Jiří Barek, Tibor J. Pastor, Simona Votavová and Jiří Zima
The polarographic and voltammetric determination of N,N-dimethyl-4-amino-3'-methylazobenzene
1987, Vol. 52, Issue 9, pp. 2149–2159 [Abstract] - Jiří Barek, Barbara Tietzová and Jiří Zima
The polarographic and voltammetric determination of congo red
1987, Vol. 52, Issue 4, pp. 867–877 [Abstract] - Jiří Barek and Dagmar Civišová
The polarographic and voltammetric determination of 1-phenyl-5-hydroxy-3-carbamoylpyrazol-4-azo-(4'-ethoxycarbonylbenzene)
1987, Vol. 52, Issue 1, pp. 81–87 [Abstract] - Jiří Barek and Roman Hrnčíř
Polarographic and voltammetric determination of N,N-dimethyl-4-aminoazobenzene
1986, Vol. 51, Issue 10, pp. 2083–2090 [Abstract] - Jiří Barek, Antonín Berka, Marion Müller, Miroslav Procházka and Jiří Zima
Chemical destruction of 4-nitrobiphenyl in laboratory waste and its monitoring by differential pulse polarography and voltammetry and by high-performance liquid chromatography
1986, Vol. 51, Issue 8, pp. 1604–1608 [Abstract] - Jiří Barek and Roman Hrnčíř
Polarographic determination of azobenzene
1986, Vol. 51, Issue 1, pp. 25–33 [Abstract] - Jiří Barek, Antonín Berka, Marion Müller and Jiří Zima
Determination of 4-nitrobiphenyl and 4-aminobiphenyl by controlled-potential coulometry, differential pulse polarography and differential pulse voltammetry
1985, Vol. 50, Issue 12, pp. 2853–2862 [Abstract] - Jiří Barek, Antonín Berka and Jiří Zima
Determination of carcinogenic azobenzene derivatives by constant-potential coulometry
1985, Vol. 50, Issue 8, pp. 1819–1827 [Abstract] - Jiří Barek and Ivo Daňhel
Analysis of mixtures of 4-nitrotoluene-2-sulphonic acid and 4,4'-dinitrostilbene-2,2'-disulphonic acid by tast polarography, differential pulse polarography and thin layer chromatography
1985, Vol. 50, Issue 8, pp. 1673–1684 [Abstract] - Jiří Barek and Lubomír Kelnar
Polarography of N,N-dimethyl-4-amino-4'-hydroxyazobenzene in water-methanol mixtures
1985, Vol. 50, Issue 3, pp. 712–725 [Abstract] - Jiří Barek, Antonín Berka and Dagmar Divoká
Coulometric determination of hydroquinone, 4-aminophenol and methol with trivalent manganese fluoride complex
1985, Vol. 50, Issue 3, pp. 600–610 [Abstract] - Jiří Barek and Ivo Daňhel
Spectrophotometric and paper chromatographic analysis of mixtures of 4-nitrotoluene-2-sulphonic acid and 4,4'-dinitrostilbene-2,2'-disulphonic acid
1984, Vol. 49, Issue 12, pp. 2751–2755 [Abstract] - Jiří Barek, Antonín Berka and Dagmar Civišová
Kinetic analysis of oxalic and citric acids mixtures with manganese(III) sulphate
1984, Vol. 49, Issue 4, pp. 954–962 [Abstract] - Jiří Barek, Antonín Berka and Alena Pokorná-Hladíková
Oxidation of galactose by manganese(III) sulphate
1982, Vol. 47, Issue 9, pp. 2466–2477 [Abstract] - Jiří Barek, Antonín Berka and Vladimír Borek
The titanometric determination of azobenzene derivatives in mixed acetonitrile-methanol-water medium
1982, Vol. 47, Issue 2, pp. 495–502 [Abstract] - Jiří Barek, Antonín Berka and Alena Pokorná-Hladíková
Oxidation of glycolaldehyde by manganese(III) sulphate
1981, Vol. 46, Issue 10, pp. 2509–2518 [Abstract] - Jiří Barek, Antonín Berka and Vladimír Borek
Oxydation des N,N-dimethyl-4-amino-4'-hydroxyazobenzols mit verbindungen des dreiwertigen mangans
1980, Vol. 45, Issue 3, pp. 810–818 [Abstract] - Jiří Babek, Antonín Berka and Alena Pokorná
Oxydation von Zitronesaure mit Hexaaquamangan(III)-ionen im nichtkoplexen Perchlorsauremedium
1979, Vol. 44, Issue 9, pp. 2603–2611 [Abstract] - Jiří Barek, Antonín Berka and Alena Pokorná
Oxydation von Zitronensaure mit Mangan(III)-sulfat
1979, Vol. 44, Issue 4, pp. 1134–1145 [Abstract] - Jiří Barek, Petr Beneš and Antonín Berka
Weinsäureoxydation mit Mangan(III)-sulfat im Medium von Schwefelsäure und mit Hexaaquamangan(III)-ionen im nichtkomplexen Perchlorsäuremedium
1978, Vol. 43, Issue 10, pp. 2555–2564 [Abstract] - Jiří Barek, Antonín Berka and Ludmila Nováková
Indirekte Bestimmung von Kristallviolet mit Cer(IV)-sulfat
1978, Vol. 43, Issue 7, pp. 1878–1884 [Abstract] - Jiří Barek, Antonín Berka and Ludmila Nováková
Oxydation von N,N,N',N'-Tetramethylbenzidin und Malachitgrün mit dem Diphosphatkomplex des dreiwertigen Mangans
1978, Vol. 43, Issue 6, pp. 1597–1605 [Abstract]