Interaction of Rhodamine B with Micelles of Sodium Dodecyl Sulfate

化学工业与工程

Chemcial Industry and Engineering

2008, Vol. 25

Issue (3) :208-211 DOI:

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Interaction of Rhodamine B with Micelles of Sodium Dodecyl Sulfate

LIU Jin-yan,LIU Cui-cui,GUO Gui-bao,WANG Zheng-de(School of Chemistry and Biology Engineering,Inner Mongolia University of Science & Technology,Baotou 014010,Inner Mongolia,China)

(School of Chemistry and Biology Engineering,Inner Mongolia University of Science & Technology,Baotou 014010,Inner Mongolia,China

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Abstract Interaction of Rhodamine B(RhB) with micelles of sodium dodecyl sulfate(SDS) and the effect of mineral salt were analyzed by fluorescence spectroscopy.The results showed that RhB could be used as probe to determine the critical micellar concentration of surfactant SDS in aqueous solution.The intercation of RhB with micelle could be represented quantitatively by the association constant K_a.In the system,K_a increased with the increase of concentration of mineral salt,which showed that the interaction of RhB with SDS micelle increased.

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Received 2008-05-15; published 2008-05-15

Cite this article:

LIU Jin-yan,LIU Cui-cui,GUO Gui-bao,WANG Zheng-de.Interaction of Rhodamine B with Micelles of Sodium Dodecyl Sulfate[J] Chemcial Industry and Engineering, 2008,V25(3): 208-211