Table 2.

Chemical composition of the synthesized MSNs as detected by XRF in mol%.

Sample	SiO2		CaO		MgO		SrO		Total
	N 1	XRF	N1	XRF	N 1	XRF	N1	XRF
MSi	100	100.00	-	-	-	-	-	-	100
MSiCa50	50	81.57	50	18.43	-	-	-	-	100
MSiCa60	60	80.69	40	19.31	-	-	-	-	100
MAk	40	66.12	40	18.41	20	15.46	-	-	100
MAkSr2	40	58.74	40	27.04	18	13.19	2	1.03	100
MAkSr4	40	64.45	40	23.34	16	10.46	4	1.74	100
MAkSr6	40	72.93	40	15.95	14	8.70	6	2.42	100

¹ N = Nominal composition.