Research Article
Distribution of Heavy Metals in Surface Sediments of the Bay of Bengal Coast
Table 3
Contamination factor (CF) calculation for minor elements in sediment samples.
| | Element | CF factor | Natural background (mg/Kg) | | S-1 | S-2 | S-3 | S-4 | S-5 | S-6 | S-7 | S-8 | S-9 |
| | Mn | 2.9 | 3.9 | 4.6 | 2.6 | 3.6 | 3.0 | 3.4 | 3.5 | 3.1 | 1.5 | | Pb | 1.7 | 3.6 | 8.7 | 2.8 | 2.1 | 1.5 | 0.9 | 0.1 | 0.1 | 0.163 | | Fe | 16.4 | 17.6 | 21.6 | 11.8 | 17.2 | 14.6 | 24.4 | 18.0 | 18.5 | 16.2 | | Ni | 27.1 | 31.2 | 53.0 | 26.7 | 36.4 | 23.2 | 19.3 | 18.3 | 36.8 | 0.001 | | Cu | 2.2 | 3.1 | 3.8 | 1.9 | 3.1 | 4.0 | 3.8 | 2.3 | 3.1 | 0.0274 | | Cd | 5.3 | 4.9 | 2.8 | 4.7 | 3.3 | 2.9 | 3.3 | 6.2 | 2.9 | 1.65 |
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natural background concentration ( = 3) obtained in the study; S: sample.
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