Pitzer方程应用于离子液体[C<i><sub>n</sub></i>mim][H<sub>2</sub>PO<sub>4</sub>](<i>n</i>= 3, 4, 5, 6)溶解焓研究

Pitzer方程应用于离子液体[C_nmim][H₂PO₄](n= 3, 4, 5, 6)溶解焓研究

胡之楠,左剑涛,夏美晨,房大维,臧树良

Study on Solution Enthalpies of Ionic Liquids [C_nmim][H₂PO₄] (n= 3, 4, 5, 6) by Using Pitzer's Equation

Zhinan HU,Jiantao ZUO,Meichen XIA,Dawei FANG,Shuliang ZANG

Table 3 Values of molar enthalpy of solution in water of [C_nmim][H₂PO₄](n = 3, 4, 5, 6) with various molalities at 298.15 K

[C₃mim][H₂PO₄]			[C₄mim][H₂PO₄]			[C₅mim][H₂PO₄]			[C₆mim][H₂PO₄]
m/(mol·kg^-1)	Δ_solH_m/(kJ·mol^?1)		m/(mol·kg^-1)	Δ_solH_m/(kJ·mol^?1)		m/(mol·kg^-1)	Δ_solH_m/(kJ·mol^?1)		m/(mol·kg^-1)	Δ_solH_m/(kJ·mol^?1)
0.001352	-5.604		0.002576	-5.518		0.001450	-4.645		0.003606	-3.160
0.002568	-5.695		0.004157	-5.648		0.002412	-5.043		0.001427	-2.778
0.003105	-5.840		0.001992	-5.397		0.001586	-4.571		0.001615	-2.882
0.003201	-5.864		0.002992	-5.606		0.001867	-4.813		0.002017	-2.991
0.003600	-5.919		0.003265	-5.649		0.002011	-4.876		0.002404	-3.114
0.003999	-5.990		0.003581	-5.687		0.00264	-5.310		0.002834	-3.172
0.004223	-6.169		0.004691	-5.745		0.002963	-5.401		0.003308	-3.068
0.004785	-6.219		0.005436	-5.893		0.003312	-5.509		0.004098	-3.259
0.005036	-6.244		0.004916	-5.818		0.003562	-5.573		0.005917	-3.803
0.005406	-6.271		0.005948	-5.900		0.004000	-5.652		0.004171	-3.278
0.006024	-6.426					0.005800	-6.051		0.004204	-3.245
0.006352	-6.533					0.005020	-5.900		0.004615	-3.389
						0.005420	-5.956		0.005188	-3.593
						0.004181	-5.700		0.005497	-3.606
						0.004675	-5.817