Heavy metals | Fe | Cu | Co | Zn | Mn | Pb | Cr | Cd |
Sample | ||||||||
1 | 0.13 | 0.006 | 0.002 | 0.058 | 0.006 | 0.007 | 0.006 | 0.006 |
2 | 0.018 | 0.007 | - | 0.086 | 0.002 | 0.002 | 0.001 | 0.004 |
3 | 0.127 | 0.001 | - | 0.039 | 0.003 | 0.003 | 0.005 | 0.003 |
4 | 0.142 | - | 0.002 | 0.008 | 0.005 | 0.003 | 0.007 | 0.004 |
5 | 0.115 | - | 0.004 | 0.01 | 0.007 | - | 0.01 | 0.006 |
Average | 0.114 ± 0.051 | 0.005 ± 0.003 | 0.003 ± 0.001 | 0.039 ± 0.033 | 0.005 ± 0.002 | 0.004 ± 0.002 | 0.006 ± 0.003 | 0.005 ± 0.001 |
±standard deviation | ||||||||
WHO standards | 0.5 - 5.0 | 2 | 1 | 0.4 | 0.05 | 0.01 | 0.01 | 0.003 |