| The basicprinciple,extraction processand hollow fiber ’ sform inliquid phase micro- extrac tion wereintroduced. Thosefacts ’ influencetotheextraction effect wereanalyzed,such ashollow fiber,or ganicextracting agent,volumeofabsorptionliquid,inorganicsalt,pH andextractiontime.Itsapplicationin pretreatmentin environmental watersample wasreviewed. |
