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Citation: Zhang Yuan-Qin, Zeng Xian-Cheng, Cheng Si-Qing, Qin Zi-Ming, Tian An-Min, Li Gan-Zuo. NMR-Studies of the Solubilization of Dimethyl Phthalate in CTAB,SDS and Triton x-100 Micellar Solutions[J]. Acta Physico-Chimica Sinica, ;1997, 13(11): 1024-1028. doi: 10.3866/PKU.WHXB19971113 shu

NMR-Studies of the Solubilization of Dimethyl Phthalate in CTAB,SDS and Triton x-100 Micellar Solutions

1.
Department of Chemistry,Sichuan University,Chengdu 610064

Received Date: 30 January 1997
Available Online: 15 November 1997

The 1H NMR spectra of CTAB, SDS and Triton x-100 aqueous micellar solutions containing dimethyl phthalate have been determined. The results indicate that dimethyl phthalate in CTAB, SDS and Triton x-100 micellar solutions at a low solubilizing concentration is adsorbed on the micelle-water interface. With the increase of solubilizing concentration, it is preferentially solubilised in both the palisade layer and hardly solubilised in the centre of the micellar core in CTAB micellar solution, and it is preferentially solubilised in both the palisade layer and the micellar core in SDS micellar solution while it is solubilised and uniformly distributed along the hydrocarbon chain of the surfactant in Triton X-100 micellar solution.
- Micelle,
- Micellar solubilization,
- Dimethyl phthalate
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