Figure 6
Normalized C 1s-NEXAFS recorded for HA at pH 4 (III) and Zr(IV)–HA fractions at pH 4 after metal cation induced aggregation and segregation ([Zr(IV)] = 1.1 × 10−3 mol l−1; I and II refer to the light and dark zones indicated in Fig. 5, respectively); figure reprinted from Rothe et al. (2007b), with permission from the American Institute of Physics; copyright 2007. |