Table 1. Biosorption and chemical precipitation of lead at different pH values. |
|
Pb(II) (mmol/L)* |
||
pH 4.0 |
pH 4.5 |
pH 5.0 |
|
Chemical precipitation (blank) |
0.23 ± 0.01 |
0.21 ± 0.01 |
0.16 ± 0.01 |
Biosorption |
0.002 |
0.004 |
0.005 |
*Standard deviations
were not reported, in some cases, due to their negligible values. |
|