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. 2020 Apr 14;10:6326. doi: 10.1038/s41598-020-63359-z

Table 1.

Constants and correlation coefficients of pseudo-first order and pseudo-second order kinetic models for adsorption of vanadium (V) and chromium (III) with melamine.

Pseudo-first-model Pseudo-second-model
Qe (mg/g) k1 (min1) R2 Qe (mg/g) k2 (g/mg/min) R2
Vanadium 59874 0.05033 0.9815 9865 2.99 exp (12) 0.9998
Chromium 19930 0.01328 0.9788 228.3 6.76 exp (5) 0.9543
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