On the XRD patterns of the polymer

5a) there LGX818 a number of intensive peaks: 26.0° (0 0 2), 31.9° (2 1 1), 32.3° (1 1 2), 33.1° (3 0 0), 34.2° (2 0 2), 39.9° (3 1 0), 46.8° (2 2 2) and 49.6° (2 1 3) as well as weak peaks: 21.8° (2 0 0), 23.0° (1 1 1), 28.2° (2 1 0), 35.6° (3 0 1), 39.3° (2 1 2), 42.1° (3 1 1), 43.9° (1 1 3), 45.6° (2 0 3), 50.7° (3 2 1), 51.4° (4 1 0) and 52.2° (4 0 2) which correspond to the structure of hydroxyapatite (Ca10(PO4)6(OH)2).
On the XRD patterns of the DCPA target (Fig.