Fig. 6. (a) SWASV detection of Pb2+ with a range of 0.02 to 0.09 nM and (b) its respective calibration plot. (c) SWASV detection of Pb2+ with a range of 1 to 10 nM and (d) its respective calibration plot. (e) SWASV detection of Pb2+ with a range of 20 to 300 nM and (f) its respective calibration plot, under optimal SWASV experimental conditions.
