Inflection points and peak position for the room temperature An3+ L3-edge XANES spectra from Ac3+ and Cm3+ cations dissolved in varied concentrations of (NH4)O2CMe(aq):HO2CMe(aq) (pH = 5.5)a.
| Analyte (concentration) | Inflection point (eV) | 1st peak position (eV) | 2nd peak position (eV) |
|---|---|---|---|
| Ac (0.2 M) | 15 873.9(1) | 15 876.8(1) | 15 908.1(1) |
| Ac (15 M) | 15 873.3(1) | 15 876.3(1) | 15 906.3(1) |
| Cm (0.1 M) | 18 976.4(1) | 18 980.8(1) | 19 011.7(1) |
| Cm (4 M) | 18 976.4(1) | 18 980.7(1) | 19 011.6(1) |
| Cm (15 M) | 18 976.4(1) | 18 980.6(1) | 19 012.8(1) |
a
Inflection point and the peak positions were defined graphically where the second and first derivative of the data equaled zero, respectively.