Characterization Analysis of Mudstone and Study of Its Pb (II) Adsorption Characteristics in Polluted Water Bodies

Table 1

Basic physical and chemical properties of the mudstone.

Material	pH	Conductivity (mS·m^−1)	Particle size composition (%)			Pb content (mg·kg^−1)	Cation exchange capacity (mmol·kg^−1)	Expansion rate (%)
			Clay particle	Powder particle	Sand
Mudstone	8.29	14.8	16.33	83.40	0.27	0.322	101.44	25.36