SMALL HYDROPHOBIC ORGANIC IONS IN AQUEOUS-SOLUTIONS

被引:20
作者
KUNZ, W [1 ]
CALMETTES, P [1 ]
CARTAILLER, T [1 ]
TURQ, P [1 ]
机构
[1] UNIV PARIS 06,ELECTROCHIM LAB,URA 430,F-75230 PARIS 05,FRANCE
关键词
D O I
10.1063/1.465272
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Small-angle neutron scattering experiments were performed at 25-degrees-C on solutions of tetraphenylphosphonium chloride and sodium tetraphenylborate in deuterated water and in deuterated dimethylformamide. The results show a strong attraction between either the organic cations or the organic anions when the salts are dissolved in water. On the contrary, in the organic solvent the attraction between the equally charged organic ions is found to be very weak. This is the first structural evidence of hydrophobic association of small organic ions in water.
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页码:2074 / 2078
页数:5
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