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KMID : 0604519910170010018
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Journal of the Society of Cosmetic Scientists of Korea
1991 Volume.17 No. 1 p.18 ~ p.28
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Absorption Spectroscopical Studies on the dye-surfactant interactions
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Park Noh-Yoon
Lee Hong
Bae Hyun-Ok
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Abstract
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Spectral behaviors of cationic dye, crystal violet(CV), in aqueous solution and with varying concentrations of Triton X-100(TX-100), sodium dodecylsulfate (SDS) and cetyl trimethyl amonium bromide(CTAB) were studied. The characteristic changes of the absorption spectra observed in the dye-SDS interacting systems with the SDS concentration are analyzed. The behaviors of both a- and J-bands of the each componet dye suggest that the following four sequential steps are occurring : the formation of dye-SDS complex, the stacking of the dye molecules arising from the association of the dye-SDS complex, breaking of the dye stacking due to the formation of micelles, redistribution of the dye molecules in the surface of micelles at high SDS concentration.
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