Characteristics of Heavy Metal Ion Adsorption by Silty Mudstones in Coal Mine Goafs

Table 1

XRF analysis of silty mudstone.

Molecular formula	SiO2	Al2O3	Fe2O3	K2O	MgO	Na2O	TiO2
Content (%)	65.264	24.686	3.393	3.116	1.357	0.941	0.854
Molecular formula	CaO	Ba	P	S	Zr	Mn
Content (%)	0.237	0.056	0.035	0.029	0.016	0.016