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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Environ Sci Pollut Res Int. 2020 Oct 2;28(6):6758–6770. doi: 10.1007/s11356-020-10973-z

Table 3.

Parameters and correlation coefficients for desorption isotherms

Metal Sorbents Langmuir
qmax (g/kg) Kd r2 Desorption%
As MAC 0.423 1.68E6 0.85 0.47%
Cd MAC 0.59 4.28E7 0.9 6.35%
Hg MAC 6.54 3.02E6 0.94 17.94%
Pb APM 5.94 4.53E7 0.96 0.67%

qmax, binding capacity of sorbent following desorption; Kd, binding affinity; r2, correlation coefficient