2004
DOI: 10.1590/s0100-46702004000100008
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Determinação voltamétrica de Cd e Pb usando eletrodo modificado com polianilina sulfonada

Abstract: A co-polimerização eletroquímica de misturas de anilina e ácido 3-aminobenzenosulfônico foi realizada por voltametria cíclica em solução de ácido sulfúrico.O grau de polimerização aumentou com o crescimento da acidez e da concentração de anilina em solução. Os eletrodos cobertos com filme de mercúrio e polianilina sulfonada foram avaliados para a análise de metais traço por voltametria de redissolução anódica. Os limites de detecção para o chumbo e cádmio foram 6,96 e 15,3 nmol L-1, respectivamente. O eletrodo… Show more

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Cited by 3 publications
(2 citation statements)
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“…SPAni has been used for constructing lead electrochemical sensors [18][19][20][21]: An electrode modified with poly(4-aminobenzenesulfonic acid) has been used to detect Pb(II) [18]. The construction of a sensor from polyaniline and carbon nitride, to detect lead(II) using voltammetry has been reported [19].…”
Section: Introductionmentioning
confidence: 99%
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“…SPAni has been used for constructing lead electrochemical sensors [18][19][20][21]: An electrode modified with poly(4-aminobenzenesulfonic acid) has been used to detect Pb(II) [18]. The construction of a sensor from polyaniline and carbon nitride, to detect lead(II) using voltammetry has been reported [19].…”
Section: Introductionmentioning
confidence: 99%
“…An electrode modified with poly(4-aminobenzenesulfonic acid) has been employed to voltammetric determination of lead [20]. Polyaniline-mercury modified electrode has been applied for measurement of lead(II) [21].…”
Section: Introductionmentioning
confidence: 99%