On-line coupling of solid-phase extraction of phenols on porous graphitic carbon and LC separation on C18 silica gel column via subcritical water desorptionстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 24 октября 2016 г.
Аннотация:An approach to the on-line coupling of solid-phase extraction on porous graphitic carbon (PGC) column and HPLC separation on octadecyl silica column is proposed. The approach includes extraction of phenols from 10 ml of water sample on PGC column; desorption with subcritical water at 175 °C, injection of the eluate to the HPLC column and separation at ambient temperature with acetonitrile-water eluent. LODs for UV detection of phenols were 1-5 μg l−1, analyte peaks were 20-50% narrower than for direct injection of 20 μl of sample.