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Acta Physico-Chimica Sinica  2007, Vol. 23 Issue (05): 695-700    DOI: 10.3866/PKU.WHXB20070514
Article     
The Solubility of Ternary SystemRbBr/CsBr-CH3OH/C2H5OH-H2O at Different Temperatures
ZHAO Wen-Xia; HU Man-Cheng; LI Shu-Ni; JIANG Yu-Cheng; ZHANG Xiao-Lei; HU Lei; CHEN Huai-Jun
School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, P. R. China
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Abstract  The solubilities of rubidium bromide and cesium bromide in water, water+ methanol, and water+ethanol were measured by using accurate analytical method at different temperatures. And refractive indices were determined for the two ternary systems in saturated solution with varied salt concentrations as well. In all cases, the presence of either methanol or ethanol significantly reduced the solubilities of rubidium bromide and cesium bromide in aqueous solution, but the refractive indices reduced with the increasing mass fraction of either methanol or ethanol. The solubilities of the saturated solutions were fitted via polynomial equations as a function of the mass fraction of methanol or ethanol, and the salting-out ratios of RbBr and CsBr by methanol and ethanol were also obtained.

Key wordsRubidiumbromide      Cesiumbromide      Methanol      Ethanol      Solubility      Refractive index     
Received: 24 October 2006      Published: 18 April 2007
MSC2000:  O642  
Corresponding Authors: HU Man-Cheng     E-mail: hmch@snnu.edu.cn
Cite this article:

ZHAO Wen-Xia; HU Man-Cheng; LI Shu-Ni; JIANG Yu-Cheng; ZHANG Xiao-Lei; HU Lei; CHEN Huai-Jun. The Solubility of Ternary SystemRbBr/CsBr-CH3OH/C2H5OH-H2O at Different Temperatures. Acta Physico-Chimica Sinica, 2007, 23(05): 695-700.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20070514     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2007/V23/I05/695

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