809513.fig.001a
(a)
809513.fig.001b
(b)
Figure 1: Chromatograms showing the separation of carbaryl (1) and 1-naphthol (2) using the mobile phase 0.15 M SDS-6% (v/v) pentanol- 0.01 M NaH2PO4 (pH 3). The injected samples were (a) water (after 10 days being spiked with 500 ng mL−1) and (b) soil (2 days after being spiked with 500 ng mL−1).