Influence of Molarity and Chemical Composition on the Development of Compressive Strength in POFA Based Geopolymer Mortar

Table 6

The major chemical components of mortar.

Chemical components	Mortar designation
	M1	M2	M3	M4	M5	M6	M7	M8	M9	M10	M11	M12	M13	M14	M15	M16	M17	M18
CaO	18.68	16.42	18.5	22.65	12.09	18.32	20.39	11.91	13.99	15.23	16.06	18.14	20.21	22.28	15.88	17.95	19.85	17.77
SiO2	52.01	52.97	51.43	48.34	55.48	50.84	49.3	54.89	53.35	52.42	51.8	50.26	48.71	47.17	51.22	49.67	47.54	49.09
Al2O3	10.16	11.5	11.91	12.73	12.44	13.66	14.07	14.19	14.6	14.84	15.01	15.42	15.82	16.23	16.76	17.17	19.33	18.92
MgO	3.44	3.32	3.3	3.25	3.23	3.16	3.14	3.09	3.07	3.05	3.04	3.02	3	2.97	2.9	2.88	2.72	2.74
Fe2O3	2.81	2.81	2.63	2.29	2.97	2.46	2.29	2.79	2.62	2.52	2.45	2.28	2.11	1.94	2.27	2.1	1.75	1.92
Na2O	0.2	0.2	0.21	0.22	0.2	0.21	0.22	0.21	0.21	0.22	0.22	0.22	0.23	0.23	0.22	0.23	0.24	0.24
K2O	4.07	4.14	3.85	3.26	4.51	3.63	3.34	4.29	4	3.83	3.71	3.42	3.12	2.83	3.49	3.2	2.69	2.98
SiO2/Al2O3	5.12	4.61	4.32	3.8	4.46	3.72	3.5	3.87	3.65	3.53	3.45	3.26	3.08	2.91	3.06	2.89	2.46	2.59