Table 1 Recovery test for the optimized procedure for heavy metals analysis
From: Copper doped zeolite composite for antimicrobial activity and heavy metal removal from waste water
Elements | Conc. in sample (mg/L) | Amount added (mg/L) | Conc. in spiked sample (mg/L) | Recovery (%) |
|---|---|---|---|---|
Pb | 0.696 | 2.00 | 2.57 | 93.7 |
Cd | 0.795 | 0.25 | 1.03 | 94.0 |
Cr | 0.658 | 1.00 | 1.65 | 99.2 |