Strontium adsorption and penetration in kaolinite at low Sr²⁺concentration

Figures & data

Figure 1. Strontium (Sr²⁺) adsorption isotherms on kaolinite at two pH values and three salt concentrations.

Table 1. Langmuir isotherm parameters.

pH	Na conc.	QSr,m	KL	R^2
6.5	10	11.0	60	0.990
	1	11.6	1100	0.995
	0.1	12.0	3300	0.987
4.1	1	0.2	2500	0.934

Figure 2. The penetration length ratio of Strontium (Sr²⁺) versus the fed solution concentration Sr^2+.