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Frontiers of Physics

ISSN 2095-0462

ISSN 2095-0470(Online)

CN 11-5994/O4

2015 Impact Factor: 2.462

Frontiers of Physics  2018, Vol. 13 Issue (1): 138201    DOI: 10.1007/s11467-017-0685-7
  本期目录 |  
Contrasting microscopic interactions determine the properties of water/methanol solutions
Carmelo Corsaro1,2(), Francesco Mallamace1,2,3,4, Sebastiano Vasi2, Sow-Hsin Chen3(), H. Eugene Stanley4, Domenico Mallamace5()
1. CNR-IPCF Messina, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, 98158 Messina, Italy
2. Dipartimento MIFT, Sezione di Fisica, Università di Messina, Viale F. Stagno D’Alcontres 31, 98166 Messina, Italy
3. Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
4. Center for Polymer Studies and Department of Physics, Boston University, Boston, MA 02215, USA
5. Consorzio interuniversitario per lo sviluppo dei Sistemi a Grande Interfase- CSGI, Via della Lastruccia 3, 50019 Sesto Fiorentino, Firenze, Italy
 全文: PDF(979 KB)  

Herein we study the different microscopic interactions occurring in water/methanol solutions at different methanol molar fractions, using NMR spctroscopy. Temperature was found to determine which interaction dominates. It was found that the mixing between water and methanol is non-ideal because of the presence of interactions like hydrophobicity and hydrophilicity. These results indicate that the competition between hydrophilic and hydrophobic interactions is different in different thermal regions, and that the physical properties of the solution are determined by the character of the solution itself, which in turn depends on the mole fraction of methanol and on the temperature.

Key wordsaqueous solutions    hydrophobicity    NMR    hydrophilicity
收稿日期: 2017-02-24      出版日期: 2018-02-28
. [J]. Frontiers of Physics, 2018, 13(1): 138201.
Carmelo Corsaro, Francesco Mallamace, Sebastiano Vasi, Sow-Hsin Chen, H. Eugene Stanley, Domenico Mallamace. Contrasting microscopic interactions determine the properties of water/methanol solutions. Front. Phys. , 2018, 13(1): 138201.
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