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Table 1 Cu2+uptake by alive and dead Aspergillus tamarii NRC 3 biomass

From: Evaluation of Aspergillus tamarii NRC 3 biomass as a biosorbent for removal and recovery of heavy metals from contaminated aqueous solutions

Biomass

Residual Cu2+ (ppm) ± SD

Cu2+uptake (ppm) ± SD

Cu2+ uptake (%)

Alive (control)

5.12 ± 0.7

74.88 ± 7

93.60

Boiled in water for 15 min

5.26 ± 0.8

74.74 ± 6

93.43

Soaked in 5% KOH for 10 min

9.51 ± 1

70.49 ± 5.5

88.11

Soaked in 1.85 × 10−5NaN3 for 30 min

17.09 ± 1.4

62.91 ± 6

78.64

  1. Biomass, 5 g; Cu2+conc. 80 ppm