Hg content was analyzed in both plants and soils. Approxi- mately 0.5 g of plant material (dry weight basis) was subjected o microwave-assisted digestion using an HNO3/H2O2 acid mixture 5 + 2 mL) (Jedrzejczak, 1996).
Hg content was analyzed in both plants and soils. Approxi-mately 0.5 g of plant material (dry weight basis) was subjectedo microwave-assisted digestion using an HNO3/H2O2 acid mixture5 + 2 mL) (Jedrzejczak, 1996).