The Research on Strength and Deformation Behaviors of Buffer/Backfill Material under High-Temperature and High-Pressure Conditions

Table 3

Cation-exchange capacity and exchangeable ions composition of GMZ001 bentonite.

The value of CEC (mmol/L)	Content of exchangeable cation (mmol/L)
	E (K^+)	E (Na^+)	E (1/2Ca^2+)	E (1/2Mg^2+)
0.75	0.01	0.35	0.24	0.15

Note. The letter “E” in the table indicates the content of exchangeable cations.