Table 4. CO₂ Solubility Data in aq ([bmim] [Ac] + 2-MPZ) Solution^a.

aq ([bmim] [Ac]+ 2-MPZ)	T = 303.2 K		T = 313.2 K		T = 323.2 K
molal (m)	PCO2/kPa	αCO2	PCO2/kPa	αCO2	PCO2/kPa	αCO2
3.507 + 0.509	64.4	0.085 ± 0.003	87.6	0.056 ± 0.003	62.7	0.047 ± 0.002
	114.9	0.105 ± 0.004	121.0	0.086 ± 0.004	98.2	0.072 ± 0.003
	149.9	0.113 ± 0.005	178.5	0.093 ± 0.005	121.1	0.073 ± 0.004
	197.3	0.118 ± 0.006	221.7	0.104 ± 0.007	153.0	0.077 ± 0.005
	235.9	0.125 ± 0.007	254.0	0.122 ± 0.008	180.2	0.082 ± 0.005
	300.2	0.148 ± 0.009	293.3	0.142 ± 0.009	205.5	0.086 ± 0.006
	313.0	0.176 ± 0.010	318.5	0.191 ± 0.010	247.7	0.092 ± 0.007
3.002 + 1.008	22.2	0.144 ± 0.002	35.7	0.113 ± 0.002	23.0	0.107 ± 0.002
	104.8	0.178 ± 0.004	99.1	0.158 ± 0.004	87.6	0.149 ± 0.003
	128.1	0.187 ± 0.005	144.9	0.179 ± 0.005	129.1	0.160 ± 0.004
	163.9	0.191 ± 0.006	192.4	0.187 ± 0.006	176.2	0.169 ± 0.006
	202.8	0.199 ± 0.007	248.7	0.191 ± 0.008	213.7	0.174 ± 0.007
	247.5	0.205 ± 0.008	302.5	0.197 ± 0.009	255.7	0.183 ± 0.008
	269.8	0.288 ± 0.009	326.1	0.268 ± 0.010
	317.4	0.254 ± 0.010	370.1	0.299 ± 0.011
2.510 + 1.509	3.5	0.183 ± 0.002	4.6	0.152 ± 0.002	5.0	0.122 ± 0.001
	68.1	0.273 ± 0.004	83.7	0.219 ± 0.004	59.7	0.194 ± 0.003
	126.2	0.283 ± 0.005	104.2	0.253 ± 0.004	98.1	0.225 ± 0.004
	162.7	0.291 ± 0.006	125.4	0.269 ± 0.005	132.7	0.244 ± 0.005
	208.2	0.297 ± 0.007	156.4	0.276 ± 0.006	148.9	0.275 ± 0.005
	243.3	0.303 ± 0.008	193.9	0.284 ± 0.007	157.4	0.328 ± 0.006
	262.2	0.372 ± 0.009	222.8	0.356 ± 0.008
	301.3	0.363 ± 0.010

^aThe standard uncertainties (u) associated with the measured quantity are u (T) = 0.1 K and u (P_CO2) = 0.5 kPa. α_CO2 is the CO₂ loading of the solvent in mol of CO₂ per mol of solvent.