Simultaneous determination of enthalpies of dilution and dissociation of protocatechuic acid in aqueous salt solutions by calorimetric measurements Zheng, Y.; Liu, M.; Wang, C.; Xie, J.; Sun, D.; Wang, B.; Han, J.; Niu, M.; The Journal of Chemical Thermodynamics 2015, 91, 177-185
Data
T = 298.15 K, P = 101.3 kPa
m (mol kg-1) m (mol kg-1) Hm,dil (kJ mol-1)
0.0250 0.0118 0.29296
0.0750 0.0354 0.62968
0.0800 0.0377 0.65522
0.0900 0.0424 0.70033
0.0300 0.0142 0.33252
0.0400 0.0189 0.40863
0.0450 0.0212 0.44623
0.0500 0.0236 0.47964
0.0550 0.0260 0.51226
0.0600 0.0282 0.54543
0.0650 0.0306 0.57515
0.0700 0.0330 0.60373
11808; 3,4-dihydroxybenzoic acid + water; 00004:01961