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Solid-phase microextraction (SPME) followed by gas chromatography (GC) coupled with an electron capture detector has been applied for the analysis of chlorinated pesticides in water. Molecule adsorption on 100μm polydimethylsiloxane (PDMS) fibers was activated by immersion of the whole fiber-sample system in an ultrasonic bath. The good reproducibility, low detection limits and wide linear ranges...
A study on a nanofiltration pilot with synthetic waters was carried out in order to evaluate the performances of two nanofiltration membranes in the removal of some selected pesticides (triazines and urea herbicides). The influence of the presence of humic acid, sulfate and chloride ions on the removal of these pesticides was shown. The results show very different behaviours between the two membranes...
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