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室温离子液体的热化学研究 1.EMIES溶解热和Pitzer参数 被引量:3

Study on Thermochemistry of Room Temperature Ionic Liquid 1. Solution Enthalpy of EMIES and Pitzer's Parameters
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摘要 在303.150K下,利用等温溶解反应量热计测定了不同浓度硫酸乙酯1甲基3乙基咪唑(EMIES)室温离子液体在水中的摩尔溶解热(ΔsHm),根据Pitzer理论得到了EMIES的无限稀释摩尔溶解热(ΔsH0m)和Pitzer焓参数β(0)LMX,β(1)LMX和CФLMX,并计算了表观相对摩尔焓和溶质、溶剂的相对偏摩尔焓. Using the solution reaction isoperibol calorimeter, the molar solution enthalpies of room temperature ionic liquid, 1-ethyl-3-methylimidazolium ethyl sulfate (EMIES), with various molalities were determined at T = 303.150 K in water. According to Pitzer' s electrolyte solution theory, the molar solution enthalpy of EMIES at infinite dilution, Delta(s)H(m)(0), and Pitzer's parameters: beta(MX)((0)L), beta(MX)((1)L) and C-MX(phiL) were obtained. Then the values of apparent relative molar enthalpy L-phi, and relative partial molar enthalpy of solvent and solute (EMIES), (L) over bar (1) and (L) over bar (2) were calculated, respectively.
出处 《化学学报》 SCIE CAS CSCD 北大核心 2004年第21期2161-2164,共4页 Acta Chimica Sinica
基金 国家自然科学基金(No.20073047)资助项目
关键词 室温离子液体 硫酸乙酯-1-甲基-3-乙基咪唑 等温溶解反应量热计 摩尔溶解热 表观相对焓 容解焓 合成 PITZER方程 room temperature ionic liquid EMIES solution enthalpy apparent relative molar enthalpy Pitzer's parameter isoperibol calorimeter
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参考文献15

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二级参考文献22

  • 1杨家振,金一,曹英华,孙立贤,谭志诚.室温离子液体电化学稳定性的研究[J].高等学校化学学报,2004,25(9):1733-1735. 被引量:30
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