Publicação

Construction of surfactant-membrane electrodes selective for sodium dodecyl sulfate in poly(ethylene oxide)-surfactant mixtures

Detalhes bibliográficos
Resumo:	Surfactant-selective electrodes to sodium dodecyl sulfate (SDS) monomer and bromide were constructed, respectively, electrode idicator and reference electrode. The electrodes were tested for solutions of SDS and in mixture of SDS and poly(ethylene oxide) (PEO). The profiles obtained measuring the potential (E) versus SDS concentration in the presence of 0.5% PEO are sensitive to polymer-surfactant parameters such as the onset of cooperative association of SDS to PEO, the critical aggregation concentration (cac), and the polymer saturation by SDS monomers (psp). The obtained parameters are in agreement with those values found by surface tension and electrical conductivity.
Autores principais:	Rizzatti,Ivanise Maria
Outros Autores:	Zanette,Dilson R.; Zanette,Dino
Assunto:	surfactant selective electrode polymer surfactant interaction poli(ethylene oxide) sodium dodecyl sulfate
Ano:	2004
País:	Brasil
Tipo de documento:	artigo
Tipo de acesso:	acesso aberto
Instituição associada:	IBICT
Idioma:	inglês
Origem:	Oasisbr

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