Skip to main content

International Journal of Phytomedicine and Phytotherapy

Table 2 Concentration of different heavy metal (mg/L) in a plant sample with WHO Standards

From: Correlative study of heavy metal content with biological importance of Solanum virginianum leaf extract

Metal Concentration (mg/L) mg/g sample WHO Standard (mg/L)
Iron (Fe) 2.04 0.204
Manganese (Mn) 0.47 0.047
Zinc (Zn) 0.41 0.041 50.0
Lead (Pb) 0.10 0.01 10.0
Chromium (Cr) < 0.05 < 0.005 0.02
Cobalt (Co) < 0.05 < 0.005
Nickel (Ni) < 0.05 < 0.005 1.63
Cadmium (Cd) < 0.003 < 0.003 0.3