Potential of Duckweed (Lemna minor) for the Phytoremediation of Landfill Leachate

Table 2

Bioconcentration factor for L. minor for heavy metals at different exposure time periods from landfill leachate.

Sample metal	Exposure time (days)
	3	6	9	12	15
Zn	0.78	0.81	0.46	0.29	0.27
Pb	0.46	0.81	0.41	0.37	0.29
Fe	0.63	0.60	0.44	0.41	0.30
Cu	0.76	0.84	0.68	0.65	0.42
Ni	0.58	0.71	0.37	0.34	0.25