Mechanical Properties and Leaching Characteristics of Geopolymer-Solidified/Stabilized Lead-Contaminated Soil

Table 1

Chemical properties of materials used in this study.

Oxide chemistry	GGBS (%)	FA (%)	CaO (%)
CaO	34.0	3.38	68.54
SiO2	34.3	49.74	2.84
Al2O3	17.9	27.21	1.00
SO3	1.64	1.41	0.11
MgO	6.02	0.71	0.34
Fe2O3	1.02	10.78	0.62
K2O	0.64	1.23	0.10
TiO2	1.17	3.19	—
MnO	0.28	—	0.06
Na2O	0.25	1.46	0.11
P2O5	0.02	—	0.05
BaO	—	—	—
Loss on ignition	2.76	0.89	26.51