1990
DOI: 10.1016/s0003-2670(00)82774-9
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Flow-injection extraction spectrophotometric method for the determination of lead and its combination with minicolumn preconcentration

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Cited by 38 publications
(11 citation statements)
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“…The liquid-liquid extraction and separation of lead ion in the presence of classical [8][9][10] and macrocyclic ligands [11][12][13][14] is frequently reported in the literature. However, classical extraction methods are usually time consuming and labor intensive and require relatively large volumes of high-purity solvents.…”
mentioning
confidence: 99%
“…The liquid-liquid extraction and separation of lead ion in the presence of classical [8][9][10] and macrocyclic ligands [11][12][13][14] is frequently reported in the literature. However, classical extraction methods are usually time consuming and labor intensive and require relatively large volumes of high-purity solvents.…”
mentioning
confidence: 99%
“…Unlike the extractive determination methods of Pb(II) in which the contaminated organic solvents create a severe environmental problem, [48][49][50] in this method, the organic phase can be used repeatedly after a simple drying process. It presents a good reproducibility and sample throughput.…”
Section: Resultsmentioning
confidence: 99%
“…Nestes casos, podem ser feitas associações usando a mesma técnica ou não, através de interfaces similares 8,29,[45][46][47] ou diferentes, como o acoplamento: (i) gás-líquido/líquido-líquido [48][49][50] , (ii) líquido-sólido/líquido-líquido [51][52] ou (iii) líquido-sólido/gás-líquido [53][54] . A primeira situação de acoplamento usando interfaces diferentes pode ser exemplificada com um trabalho recente desenvolvido por Cañada-Rudner e colaboradores 49 , no qual foi efetuada a concentração e determinação de Hg em amostras biológicas, através de sistemas de fluxo combinando ELL com geração de vapor de mercúrio e detecção por espectrometria de emissão atômica com plasma indutivamente acoplado (ICP-AES).…”
Section: Técnicas De Separação E Concentraçãounclassified