Research Article
Risk Assessment of Heavy Metals in Imported Frozen Fish Scomber scombrus Species Sold in Nigeria: A Case Study in Zaria Metropolis
Table 1
Quality assurance for mean concentration of metals in tissues of batch one (1) Scomber scombrus species.
| | Heavy metal | Tissues | LOD (mg⋅kg−1)
| LOQ (mg⋅kg−1)
| %Recovery ± SD | % |
| | Cd | Skin | 0.058 | 0.109 | 103.8 ± 0.25 | 24.08 | | Pb | Muscle | 0.001 | 0.009 | 100.8 ± 0.10 | 9.92 | | Hg | Gills | 0.001 | 0.004 | 118.7 ± 0.25 | 23.56 | | Fe | Liver | | | 106.1 ± 0.55 | 51.84 | | Ni | Intestine | 0.012 | 0.042 | 99.2 ± 0.15 | 1.51 | | Cd | Kidneys | 0.009 | 0.029 | 93.6 ± 0.30 | 3.21 | | Pb | Brain | 0.003 | 0.009 | 103.4 ± 0.35 | 33.84 | | Hg | bones | 0.001 | 0.003 | 113.0 ± 0.15 | 13.27 |
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