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Multivariate analysis of selected metal ion transport through a hollow-fiber supported liquid membrane device used for passive sampling monitoring

In English

Författare

Summary, in English

A hollow fiber supported liquid membrane module using one single fiber impregnated with a mixture of 1,10-dibenzyl-1,10-diaza-18-crown-6 and bis(2-ethylhexyl)phosphate dissolved in hexylbenzene was used for passive sampling of ppb levels of Pb(II), Cu(II), Zn(II), Mn(II), Ni(II), and Cd(II) in water. The target ions were simultaneously transported and preconcentrated into a citric acid acceptor solution within the lumen of the hollow fiber with enrichment factors between 5 and 4000 times. A multivariate analysis of several physical and chemical parameters that affect transport was performed. Under conditions of constant concentration profiles a more robust performance of the device was observed.

Publiceringsår

2008

Språk

Engelska

Sidor

602-623

Publikation/Tidskrift/Serie

Solvent Extraction and Ion Exchange

Volym

26

Issue

5

Dokumenttyp

Artikel i tidskrift

Förlag

Taylor & Francis

Ämne

  • Analytical Chemistry

Nyckelord

  • supported liquid membrane
  • passive sampling
  • heavy metals
  • hollow fiber

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0736-6299