1995
DOI: 10.1016/0924-2031(94)00045-i
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Infrared attenuated total reflection spectroscopic investigations of the diffusion behaviour of chlorinated hydrocarbons into polymer membranes

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Cited by 57 publications
(40 citation statements)
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“…Several different types of such layers have been reported in the literature. Polymer layers with a thickness of a few micrometers have been shown to increase the sensitivity for the detection of organic analytes, such as chlorinated hydrocarbons, in aqueous matrices (55,56) by several orders of magnitude. Molecularly imprinted polymers (57) (MIPs) are tailor-made to enrich one specific analyte.…”
Section: Selective Layersmentioning
confidence: 99%
“…Several different types of such layers have been reported in the literature. Polymer layers with a thickness of a few micrometers have been shown to increase the sensitivity for the detection of organic analytes, such as chlorinated hydrocarbons, in aqueous matrices (55,56) by several orders of magnitude. Molecularly imprinted polymers (57) (MIPs) are tailor-made to enrich one specific analyte.…”
Section: Selective Layersmentioning
confidence: 99%
“…To-date the specific mathematical treatment of analyte diffusion within enrichment membranes, utilising polymer-modified IREs, has been reported in a limited manner [10][11][12][13][14][15]. Barbari et al [10][11][12][13] have presented the most detailed treatment of both binary and multi-component diffusion systems.…”
Section: Introductionmentioning
confidence: 99%
“…Com 5 min de extração, empregando-se um filme de poli-isobutileno, um limite de detecção na faixa de 1,5 a 2 mg L -1 foi obtido para os três analitos. Em um trabalho subsequente, Gobel e colaboradores 59 investigaram a difusão dos mesmos hidrocarbonetos clorados em algumas membranas poliméricas (polietileno de baixa densidade, copolímero etileno-propileno e poli-isobutileno) por meio de modelos teóricos. Os resultados obtidos demonstraram a importância do entendimento do processo de difusão em diferentes materiais poliméricos para otimizar o sistema sensor de fibra óptica para a determinação de hidrocarbonetos clorados em águas.…”
Section: Detecção No Midunclassified