Table 2. Values of constant separation factor for lead and chromium biosorption.

Initial concentration C₀, mg l^-1

(chromium)
R_L = 1/(1 + bCo)

(lead)
R_L = 1/(1 + bCo)

10

0.895

0.819

25

0.774

0.645

50

0.631

0.476

100

0.461

0.312

250

0.255

0.154

500

0.146

0.083

1000

0.079

0.043