Two-tier online SPE and large volume sample introduction achieving siginificantly higher sensitivity, column longevity and reduced sample preparation time for HPLC/LC-MS analysis using SPE-04 online SPE system.
Using online SPE's between-column deriviatization in the direct analysis of estrogen to increase detection sensitivity and reproducibility of HPLC.
Bringing down the analysis time of benzopyrene in water at ppt level using online SPE coupled with HPLC from 1-2 hours to 10 minutes
A simple, reliable and high recovery method for automated extraction of PAH in water using just one solvent at 2.5 mL elution volume
Integration of solid phase extraction with chromatographic analysis
Automation of SPE for trace analysis