Dynamic ultrasound-assisted extraction coupled on-line with solid support derivatization and high-performance liquid chromatography for the determination of formaldehyde in textiles.

@article{Chen2008DynamicUE,
  title={Dynamic ultrasound-assisted extraction coupled on-line with solid support derivatization and high-performance liquid chromatography for the determination of formaldehyde in textiles.},
  author={Ligang Chen and Haiyan Jin and Liguang Wang and Lei Sun and Haoyan Xu and Lan Ding and Aimin Yu and Hanqi Zhang},
  journal={Journal of chromatography. A},
  year={2008},
  volume={1192 1},
  pages={89-94}
}
An on-line method was developed for the extraction, derivatization and determination of formaldehyde in textile samples. Formaldehyde was first extracted with water by ultrasound assisted, and directly introduced into a derivatization column which was packed with a moderately sulfonated cation-exchange resin. The resin used as solid support for the derivatization was charged with 2,4-dinitrophenylhydrazine (DNPH) previously. The formaldehyde DNPH derivative was eluted with the chromatographic… CONTINUE READING
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