Table 2. Surface tension and vaporization enthalpy for the solvents used for ESI MS.
| Solvent | Surface tension (mN/m)*1 | Vaporization enthalpy (kJ/mol) *2 |
|---|---|---|
| Water (H2O) | 72.0 | 44.0 |
| Methanol (CH3OH) | 22.6 | 38.3 |
| Acetonitrile (CH3CN) | 30.0 | 33.8 |
*1 F. Charbonnier, C. Rolando, F. Saru, P. Hapiot, J. Pinson. Short time-scale observation of an electrospray current. Rapid Commun. Mass Spectrom. 7: 707–710, 1993. *2 J. S. Chickos, W. E. Acree, Jr. Enthalpies of vaporization of organic and organometallic compounds, 1880–2002. J. Phys. Chem. Ref. Data 32: 519, 2003.