Table 7.

Elemental composition of hydrogels after incubation in SBF.

Sample	Spot	Atomic Percentage (wt.%)
WPI A5	1	C: 12.8, O: 17.1, Na: 1.1, Mg: 0.5, P: 16.9, Cl: 2.5, K: 0.2, Ca: 38.9, Au: 10.0
	2	C: 46.7, O: 22.4, Na: 1.6, Mg: 0.4, P: 5.6, Cl: 2.6, K: 0.4, Ca: 10.8, Au: 9.5
WPI A15	1	C: 19.1, O: 24.4, Na: 1.1, Mg: 0.5, P: 16.2, Cl: 1.3, K: 0.1, Ca: 30.3, Au: 7.2
	2	C: 39.8, O: 19.9, Na: 1.5, Mg: 0.4, P: 8.3, Cl: 1.7, K: 0.3, Ca: 15.8, Au: 12.3
WPI B5	1	C: 8.8, O: 20.6, Na: 1.1, Mg: 0.6, P: 20.6, Cl: 2.0, K: 0.1, Ca: 39.9, Au: 6.3
	2	C: 48.3, O: 24.0, Na: 1.9, Mg: 0.4, P: 3.8, Cl: 3.0, K: 0.4, Ca: 6.6, Au: 11.6
WPI B15	1	C: 22.1, O: 18.7, Na: 1.2, Mg: 0.2, P: 14.7, Cl: 1.8, K: 0.3, Ca: 34.5, Au: 6.5
	2	C: 17.4, O: 14.5, Na: 1.0, Mg: 0.4, P: 13.5, Cl: 2.0, K: 0.3, Ca: 43.6, Au: 7.3
WPI 0	1	C: 40.8, O: 13.6, Na: 3.3, Mg: 0.3, P: 0.6, Cl: 9.9, K: 0.8, Ca: 1.4, Au: 29.3
	2	C: 40.2, O: 14.9, Na: 3.4, Mg: 0.5, P: 1.2, Cl: 9.7, K: 0.5, Ca: 1.1, Au: 28.5