Combined Effects of Graphite Tailings and Curing Conditions on the Early-Age Performances of Cement Mortar

Table 2

Chemical properties of Portland cement, sand, and graphite tailings (%).

Materials	Chemical compositions
Cement	CaO	SiO2	Al2O3	Fe2O3	MgO	SO3	Loss
	59.64	21.47	5.80	4.04	3.24	2.08	2.44
GT	CaO	SiO2	Al2O3	Fe2O3	MgO	SO3	V2O5	K2O	Loss
	15.55	62.50	10.21	5.07	2.33	0.54	0.42	2.26	1.17
Sand	SiO2	Loss
	99.80	0.02