2004
DOI: 10.1016/j.chroma.2004.03.075
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Highly sensitive determination of hydrazine ion by ion-exclusion chromatography with ion-exchange enhancement of conductivity detection

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Cited by 97 publications
(23 citation statements)
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References 16 publications
(22 reference statements)
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“…Its poisoning induces vomiting, severe irritation of the respiratory track, and long-term exposure affects the central nervous system. Hydrazine can be determined by several instrumental methods including chromatography [23], spectrophotometry [24], capillary electrophoresis [25] and fluorimetry [26]. Among these techniques, the electrochemical method is found to be a simple and an easy way to estimate hydrazine.…”
Section: Introductionmentioning
confidence: 99%
“…Its poisoning induces vomiting, severe irritation of the respiratory track, and long-term exposure affects the central nervous system. Hydrazine can be determined by several instrumental methods including chromatography [23], spectrophotometry [24], capillary electrophoresis [25] and fluorimetry [26]. Among these techniques, the electrochemical method is found to be a simple and an easy way to estimate hydrazine.…”
Section: Introductionmentioning
confidence: 99%
“…O método foi aplicado na determinação de hidrazina em água de caldeira industrial sem qualquer etapa de pré-extração ou interferência dos íons K + , Zn 2+ , Fe 3+ , Pb 2+ , Cl -, NO 3 -e SO 4 2-com recuperação de 94%.…”
Section: Conclusõesunclassified
“…Dentre eles podemos destacar os métodos cromatográficos [3,4] Resumo: Eletrodos de carbono vítreo foram modificados com filmes de poli ácido glutâmico (PAG) pela eletropolimerização do ácido glutâmico em tampão fosfato pH 7,0, utilizando-se varreduras sucessivas de potencial entre -0,8 a +2,0 V. Os eletrodos modificados foram aplicados na determinação de hidrazina, a qual é pré-concentrada na superfície através da interação entre grupos carboxílicos livres no filme e grupo amino da hidrazina. Embora a hidrazina não seja oxidada em intervalo útil de potencial sobre eletrodo convencional, no eletrodo modificado caracteriza-se pelo pico de oxidação em potencial de +0,57 V usado para fins analíti-cos. Gráfico de calibração linear foi obtido no intervalo de concentração entre 4 x 10 -5 a 1 x 10 -3 mol L -1 , usando voltametria de pulso diferencial.…”
Section: Introductionunclassified
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“…A large number of analytical methods have been developed for the determination of hydrazine and nitrite, including spectrophotometry [6], fluorimetry [7], chemiluminescence [8], chromatography [9], capillary electrophoresis [10], flow injection analysis [11], and electrochemistry [12][13][14][15]. Among these techniques, electrochemical methods have drawn widespread attention, due to the particular merits such as low cost, easy operation, high sensitivity and considerable selectivity [14,16].…”
Section: Introductionmentioning
confidence: 99%