Concentration  (mg/l) % Biosorption of Pb at different times (h.)
2 4 6 24 478
5 22.72±0.007 22.85± 0.141 23.50± 0.007 27.91± 0.007 30.43± 0.014
10 28.15± 0.007 30.32± 0.021 30.40± 0.014 30.43± 0.007 30.45± 0.007
25 41.8± 0.007 43.20± 0.141 44.00± 0.141 44.20± 0.070 44.33± 0
50 63.46± 0.007 59.97± 0.007 39.33± 0.007 33.40± 0 31.89± 0.070
LSD= 0.001          
Concentration (mg/l) % Biosorption of Cd at different times (h)
2 4 6 24 478
5 18.97± 0.014 18.57± 0.014 17.65± 0.014 16.10± 0.707 15.58± 0.007
10 22.80± 0.070 22.76± 0.007 21.00± 0 20.71± 0.007 20.14± 0.007
25 27.64± 0.014 27.60± 0.070 27.58± 0.021 26.57± 0.014 26.52± 0.014
50 31.23± 0.014 31.12± 0.014 30.75± 0.021 30.64± 0.014 30.32± 0.014
LSD= 0.024
Table 3: Biosorption (%) of Lead and Cadmium at different period of incubations and different concentrations by D. radiodurans.