Integrated toxicological and analytical chemical method for the determination of water quality

Characterization of microbial mutagens in complex samples—methodology and application

“…195 Organic pollutants from 30 to 300 € of water were adsorbed on XAD-4 in 3 sequential steps at a neutral, an acidic, and basic pH level in 17 hr. After elution with ethanol and cyclohexane, the remaining water and cyclohexane were removed by azeotropic distillation, leaving a sample in ethanol.…”