Table 1 Kinetic data of Cs+ and Sr2+ adsorption on Na-TNBs: the distribution coefficient,Kd, pseudo-second-order rate constants, k2, and correlation coefficient values,R2.

From: Multifunctional flexible free-standing titanate nanobelt membranes as efficient sorbents for the removal of radioactive 90Sr2+ and 137Cs+ ions and oils

C0 (mmol L−1)1.5

Qt (mmol g−1)

Removal (%)

Kd (mL g−1)

k2 (g mmol−1 min−1)

R 2

Cs+

0.695

57.7

1.1 × 103

0.6988

0.9996

Sr2+

1.127

97.6

4.5 × 106

0.2964

0.9992

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