Heavy metals | Fe | Cu | Co | Zn | Mn | Pb | Cr | Cd |
Sample | ||||||||
1 | 0.147 | 0.013 | 0.004 | 0.009 | 0.005 | - | 0.009 | 0.005 |
2 | 0.115 | 0.028 | 0.004 | 0.04 | 0.004 | 0.003 | 0.005 | 0.005 |
3 | 0.02 | 0.002 | 0.002 | 0.071 | 0.002 | 0.002 | 0.003 | 0.004 |
4 | 0.121 | - | - | 0.027 | 0.003 | 0.005 | 0.005 | 0.004 |
5 | 0.236 | 0.001 | 0.001 | 0.011 | 0.003 | 0.001 | 0.006 | 0.002 |
Average | 0.128 ± 0.077 | 0.011 ± 0.014 | 07003 ± 0.002 | 0.032 ± 0.025 | 0.003 ± 0.001 | 0.003 ± 0.002 | 0.006 ± 0.002 | 0.004 ± 0.001 |
±standard deviation | ||||||||
WHO standards | 0.5 - 5.0 | 2 | 1 | 0.4 | 0.05 | 0.01 | 0.01 | 0.003 |