The interaction between surfactants and Dye

Abstract

The interaction of the dye Eosine Y (I) and the nonionic surfactant Triton X 100 was studied by spectrometry. The equilibrium constant K and the no. of surfactant mols. bound to the dye mol. N were obtained. The presence of Na2SO4 as additive enhanced the dye-surfactant interaction, whereas the presence of urea weakened the interaction. Ionic surfactant having the same charge as that of I decreased the interaction between them due to electrostatic repulsion, while ionic surfactant having opposite charge to I increased the interaction.

Key words: UREA, NON IONIC SURFACTANTS, SODIUM SULFATE, TRITON X-100, INTERACTIONS, ADDITIVE AGENTS, ANIONIC DYES, EOSINE

CLC Number:

TQ61
TQ423

Cite this article

GAO YUEYING;DUAN JIPING;MA JIMING. The interaction between surfactants and Dye[J]. Acta Chimica Sinica, 1990, 48(8): 748-753.

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