Evidence of a Lead Metathesis Product from Calcium Hydroxyapatite Dissolution in Lead Nitrate Solution

Figure 3

SEM images of (a) CaHAp before refluxing, (b) after refluxing in lead nitrate solution (917 mg/L) for 24 h, and (c) after refluxing for 48 h.

(a)

(b)

(c)