Raman Spectral Analysis of the Anti-freezing Mechanism of Dimethyl Sulfoxide

Chem. J. Chinese Universities

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Raman Spectral Analysis of the Anti-freezing Mechanism of Dimethyl Sulfoxide

OUYANG Shun-Li, ZHOU Mi, CAO Biao, LU Guo-Hui, Gao Shu-Qin, LI Zuo-Wei^*

College of Physics, Jilin University, Changchun 130021, China

Received:2007-12-29 Revised:1900-01-01 Online:2008-10-10 Published:2008-10-10
Contact: LI Zuo-Wei

Abstract

Abstract: A series of mixures of dimethyl sulfoxide(DMSO) and water with various volume ratios were measured by Raman spectrum. we also used computer software to seek Raman peak area ratio via peak separation method of spectral band of water. Based on the experimental results and analysis with mixture model, it was known that after mixing antifreezer dimethyl sulfoxide and water, its SO groups and O—H groups of water molecule can form the hydrogen bond to prevent the formation of tetrahedral structure ice. Simultaneously, it was also proved that the effect of antifreezer dimethyl sulfoxide is the best, as volume ratio of dimethyl sulfoxide to water is 1∶1.

Key words: Dimethyl sulfoxide, Hydrogen bonding, Raman spectrum

CLC Number:

O641

TrendMD:

OUYANG Shun-Li, ZHOU Mi, CAO Biao, LU Guo-Hui, Gao Shu-Qin, LI Zuo-Wei^*. Raman Spectral Analysis of the Anti-freezing Mechanism of Dimethyl Sulfoxide[J]. Chem. J. Chinese Universities, doi: .

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Raman Spectral Analysis of the Anti-freezing Mechanism of Dimethyl Sulfoxide

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