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. 2017 Aug 3;7:7210. doi: 10.1038/s41598-017-05834-8

Figure 3.

Figure 3

Cd concentrations in tobacco leaves and extraction yield (%) from tobacco leaves after the three step extraction using different concentration of HCl. Bar plots with SE of means, while different letters indicate significant variations between different HCl concentrations and extraction steps on the basis of Duncan’s multiple range test (P ≤ 0.05).