Applied and Environmental Soil Science / 2016 / Article / Tab 1

Research Article

Trace Metal Contamination Characteristics and Health Risks Assessment of Commelina africana L. and Psammitic Sandflats in the Niger Delta, Nigeria

Table 1

Reference (SRM 8704) concentration values, analytical results, and percentage recovery.

MetalsSRM 8704 reference valuesAAS resultsAccuracy (% recovery)
(mg/kg)(mg/kg) ()

Cadmium2.94 ± 0.293.03 ± 0.04102.96
Chromium121.90 ± 3.80119.47 ± 1.6498.01
Nickel42.90 ± 3.7040.86 ± 0.1895.23
Lead150.00 ± 17.00156.04 ± 6.95104.23
Zinc408.00 ± 15.00398.60 ± 10.5497.67

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