在273.15~353.15K范围内测定了[BMIM]ClO4离子液体的密度和表面张力.根据Glasser理论讨论了该离子液体的热力学性质,估算出其晶格能和标准熵.根据离子液体的空隙模型计算了离子液体的恒压热膨胀系数α=6.27×l0-4K-1,与实验值α=5.46×10-4K-1基本一致.
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