Table 2.
Partial molar enthalpies of retention for methylparaben through butylparaben obtained from slopes of the van‘t Hoff plots(Fig. S1). Chromatographic conditions can be found in section 3.2.2.
| Solute | −ΔH0/R (K) | Error | Intercept | Error |
|---|---|---|---|---|
| Methylparaben | 1999 | 11 | −5.09 | 0.03 |
| Ethylparaben | 2219 | 15 | −4.87 | 0.05 |
| Propylparaben | 2566 | 21 | −4.98 | 0.07 |
| Butylparaben | 2961 | 26 | −5.24 | 0.08 |