Table 2: Parameters for plotting Langmuir, Freundlich, and Temkin adsorption isotherms of Pb(II) ion unto PRH.

S/N (mg/L) (mg/L)Log Ln (mg/g)Log / (g/L)% Sorption

10.000.000.000.000.000.000.000.00
210.000.000.000.0010.001.000.00100
350.000.000.000.0050.001.700.00100
4100.006.700.8261.90293.301.9700.07293.30
5150.0026.941.4303.293123.062.090.2282.04
6200.0062.031.7934.128137.972.1400.4568.99