Sodium Silicate Gel Effect on Cemented Tailing Backfill That Contains Lead-Zinc Smelting Slag at Early Ages

Table 1

Main chemical compositions of the studied lead-zinc smelting slag.

Element unit	SiO2 (wt.%)	Fe2O3 (wt.%)	Al2O3 (wt.%)	TiO2 (wt.%)	CaO (wt.%)	MgO (wt.%)	Na2O (wt.%)	K2O (wt.%)	MnO (wt.%)	P2O5 (wt.%)	LOI (wt.%)
	15.5	30.41	6.20	0.284	2.92	0.55	0.35	0.50	0.47	0.15	40.24