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Table 1 Measured result (μg/g dry weight ± SD) of the Certified Reference Material (CRM) for fish with its certified value for Zn, Cu, Cd, Ni and Pb

From: Seasonal variation of heavy metals and metallothionein contents in Asian swamp eels, Monopterus albus (Zuiew, 1793) from Tumpat, Kelantan, Malaysia

Metal Zna Cua Cdb Nib Pbb
Measured 46.744 ± 4.74 16.922 ± 2.02 2.676 ± 0.33 32.867 ± 5.46 171.57 ± 15.48
Certified (CRM) 51.3 ± 3.1 15.5 ± 0.63 2.11 ± 0.15 39.5 ± 2.3 183 ± 8
Recovery 91.12% 109.17% 126.82% 83.21% 93.75%
  1. Remark: a: Certified Reference Material (DORM-3), b: Certified Reference Material (PACS-2); SD Standard deviation