. . . "Kl\u00ED\u010Dov\u00FDm t\u00E9matem p\u0159\u00EDsp\u011Bvku je nov\u00FD typ uhl\u00EDkov\u00E9 pastov\u00E9 elektrody modifikovan\u00E9 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED s funk\u010Dn\u00EDmi skupinami na b\u00E1zi thiomo\u010Doviny, jej\u00ED elektroanalytick\u00E1 charakterizace a ov\u011B\u0159ov\u00E1n\u00ED ke stanoven\u00ED iont\u016F Pb2+. Pou\u017Eit\u00FD modifik\u00E1tor, komer\u010Dn\u011B dostupn\u00FD prepar\u00E1t makropor\u00E9zn\u00ED prysky\u0159ice dod\u00E1van\u00FD pod n\u00E1zvem ?QuadraPure(TM) TU?, byl p\u0159im\u00ED\u0161en p\u0159\u00EDmo do uhl\u00EDkov\u00E9 pasty v mno\u017Estv\u00ED cca 30% (obj.) a v t\u00E9to podob\u011B umo\u017Enil \u00FA\u010Dinn\u00E9 nahroma\u010Fov\u00E1n\u00ED olovnat\u00FDch iont\u016F v re\u017Eimu elektrochemick\u00E9 rozpou\u0161t\u011Bc\u00ED anal\u00FDzy, a to d\u00EDky komplexotvorn\u00FDm schopnostem thiomo\u010Dovinov\u00FDch funk\u010Dn\u00EDch skupin. P\u0159i v\u00FDvoji p\u0159\u00EDslu\u0161n\u00E9 metody byla ov\u011B\u0159ov\u00E1na funkce modifikuj\u00EDc\u00ED l\u00E1tky (optim\u00E1ln\u011B v pr\u00E1\u0161kov\u00E9 podob\u011B), zp\u016Fsob proveden\u00ED nahroma\u010Fovac\u00EDho kroku a zvolen\u00E9ho m\u011B\u0159ic\u00EDho re\u017Eimu, spolu s nalezen\u00EDm vhodn\u00FDch experiment\u00E1ln\u00EDch a p\u0159\u00EDstrojov\u00FDch parametr\u016F. P\u0159i pou\u017Eit\u00ED square-wave voltametrie v kombinaci s bezproudovou akumulac\u00ED, s n\u00E1slednou elektrolytickou redukc\u00ED nahroma-d\u011Bn\u00E9ho olova a detekc\u00ED pomoc\u00ED anodick\u00E9 oxidace v rozpou\u0161t\u011Bc\u00EDm kroku byl sledovan" . "Sborn\u00EDk p\u0159\u00EDsp\u011Bvk\u016F ze semin\u00E1\u0159e X. Monitorov\u00E1n\u00ED cizorod\u00FDch l\u00E1tek v \u017Eivotn\u00EDm prost\u0159ed\u00ED" . . . "Uhl\u00EDkov\u00E1 pastov\u00E1 elektroda modifikovan\u00E1 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED na b\u00E1zi thiomo\u010Doviny a jej\u00ED vyu\u017Eit\u00ED p\u0159i v\u00FDvoji metody ke stanoven\u00ED olova"@cs . "Univerzita Pardubice" . "Uhl\u00EDkov\u00E1 pastov\u00E1 elektroda modifikovan\u00E1 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED na b\u00E1zi thiomo\u010Doviny a jej\u00ED vyu\u017Eit\u00ED p\u0159i v\u00FDvoji metody ke stanoven\u00ED olova" . "26"^^ . "401215" . . "Mladkov" . "Mikysek, Tom\u00E1\u0161" . . . . "Pardubice" . . . "Vyt\u0159as, Karel" . "Carbon Paste Electrode Modified by Microporous Thiourea-Functionalized Resin and its Use in Method Development for Determination of Lead"@en . . . "Carbon Paste Electrode Modified by Microporous Thiourea-Functionalized Resin and its Use in Method Development for Determination of Lead"@en . . "Uhl\u00EDkov\u00E1 pastov\u00E1 elektroda modifikovan\u00E1 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED na b\u00E1zi thiomo\u010Doviny a jej\u00ED vyu\u017Eit\u00ED p\u0159i v\u00FDvoji metody ke stanoven\u00ED olova"@cs . "P(LC06035), Z(MSM0021627502)" . "[B614912A9A66]" . . "Banica, F. G." . . "\u0160vancara, Ivan" . "In this contribution, a carbon paste electrode modified with thiourea-functionalised resin is described in terms of its electroanalytical characterisation and applicability to the determination of Pb2+ ions. Commercially marketed macroporous resin, QuadraPure(TM) TU, added to the carbon paste mixture in an amount of 30% (v/v), contains thiourea residual groups being able of effectively complexing the Pb2+ ions. Within the method development, a special attention was paid to the pre-concentration step, modification process, proper measuring regime, as well as to important experimental parameters. When using the square-wave voltammetric mode in combination with open-circuit accumulation, intermediate electrolytic reduction, and subsequent anodic stripping step, the resultant signal for lead could be calibrated over a wide concentration range of 5-25 000 ug L-1 with possible extension up to 50 mg L-1 and with the limit of detection of about 1 ug l-1 Pb2+. As confirmed in interference studies, other heavy"@en . . "Uhl\u00EDkov\u00E1 pastov\u00E1 elektroda modifikovan\u00E1 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED na b\u00E1zi thiomo\u010Doviny a jej\u00ED vyu\u017Eit\u00ED p\u0159i v\u00FDvoji metody ke stanoven\u00ED olova" . . "4"^^ . . "Kl\u00ED\u010Dov\u00FDm t\u00E9matem p\u0159\u00EDsp\u011Bvku je nov\u00FD typ uhl\u00EDkov\u00E9 pastov\u00E9 elektrody modifikovan\u00E9 makropor\u00E9zn\u00ED prysky\u0159ic\u00ED s funk\u010Dn\u00EDmi skupinami na b\u00E1zi thiomo\u010Doviny, jej\u00ED elektroanalytick\u00E1 charakterizace a ov\u011B\u0159ov\u00E1n\u00ED ke stanoven\u00ED iont\u016F Pb2+. Pou\u017Eit\u00FD modifik\u00E1tor, komer\u010Dn\u011B dostupn\u00FD prepar\u00E1t makropor\u00E9zn\u00ED prysky\u0159ice dod\u00E1van\u00FD pod n\u00E1zvem ?QuadraPure(TM) TU?, byl p\u0159im\u00ED\u0161en p\u0159\u00EDmo do uhl\u00EDkov\u00E9 pasty v mno\u017Estv\u00ED cca 30% (obj.) a v t\u00E9to podob\u011B umo\u017Enil \u00FA\u010Dinn\u00E9 nahroma\u010Fov\u00E1n\u00ED olovnat\u00FDch iont\u016F v re\u017Eimu elektrochemick\u00E9 rozpou\u0161t\u011Bc\u00ED anal\u00FDzy, a to d\u00EDky komplexotvorn\u00FDm schopnostem thiomo\u010Dovinov\u00FDch funk\u010Dn\u00EDch skupin. P\u0159i v\u00FDvoji p\u0159\u00EDslu\u0161n\u00E9 metody byla ov\u011B\u0159ov\u00E1na funkce modifikuj\u00EDc\u00ED l\u00E1tky (optim\u00E1ln\u011B v pr\u00E1\u0161kov\u00E9 podob\u011B), zp\u016Fsob proveden\u00ED nahroma\u010Fovac\u00EDho kroku a zvolen\u00E9ho m\u011B\u0159ic\u00EDho re\u017Eimu, spolu s nalezen\u00EDm vhodn\u00FDch experiment\u00E1ln\u00EDch a p\u0159\u00EDstrojov\u00FDch parametr\u016F. P\u0159i pou\u017Eit\u00ED square-wave voltametrie v kombinaci s bezproudovou akumulac\u00ED, s n\u00E1slednou elektrolytickou redukc\u00ED nahroma-d\u011Bn\u00E9ho olova a detekc\u00ED pomoc\u00ED anodick\u00E9 oxidace v rozpou\u0161t\u011Bc\u00EDm kroku byl sledovan"@cs . . "RIV/00216275:25310/08:00008005" . . "carbon paste electrode; QuadraPure(TM) TU; determination of lead; square wave voltammetry"@en . "25310" . "RIV/00216275:25310/08:00008005!RIV09-MSM-25310___" . "2008-04-24+02:00"^^ . "978-80-7395-078-1" . "3"^^ .