Hollow-Fibre-Supported Dispersive Liquid-Liquid Microextraction for Determination of Atrazine and Triclosan in Aqueous Samples

Figure 3

The effect of adding sodium chloride on the extraction. Conditions: volume, 1 mL of 5 µg/mL triclosan and atrazine aqueous sample; 1 : 4 (v/v) chlorobenzene : ethyl acetate mixture with the extraction time of 20 minutes and with toluene as the acceptor solvent.