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. Author manuscript; available in PMC: 2012 Apr 15.
Published in final edited form as: Talanta. 2011 Jan 15;84(2):319–323. doi: 10.1016/j.talanta.2011.01.020

Fig. 2.

Fig. 2

The effect of amount of biomass on the recoveries for a 50 ng mL−1 solution (50 mL) of Cr, Cu, Fe, Mn, Ni and Zn. Mass of biosorbent = 100 mg; flow rate = 1 mL min−1; eluent = 2 mL, 5% (v/v) HNO3.