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Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides

This paper evaluates a m ethod for determ ining the organophosphorus pesticides (m ethidation, quinalphos and profenofos) in aqueous sam ple using coated hollow fiber protected liquid phase m icroextraction syst em (CHF-LPME) coupled with reversed phas...

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Main Authors: Roharjo, Yanuardi, Sanagi, M. Marsin, Wan Ibrahim, Wan Aini, Abu Naim, Ahmedy
Format: Book Section
Language:English
Published: Penerbit UTM 2008
Subjects:
Q Science
Online Access:http://eprints.utm.my/id/eprint/16808/1/M.MarsinSanagi2008_ApplicationofCoatedHollowFiberProtectedMembrane.pdf
http://eprints.utm.my/id/eprint/16808/
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spelling my.utm.168082017-08-15T01:53:27Z http://eprints.utm.my/id/eprint/16808/ Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides Roharjo, Yanuardi Sanagi, M. Marsin Wan Ibrahim, Wan Aini Abu Naim, Ahmedy Q Science This paper evaluates a m ethod for determ ining the organophosphorus pesticides (m ethidation, quinalphos and profenofos) in aqueous sam ple using coated hollow fiber protected liquid phase m icroextraction syst em (CHF-LPME) coupled with reversed phase high perform ance liquid chrom atography (RP- HPLC) with UV-Vis detection. Po lypropylene fiber coated with polydim ethylsiloxane (PDMS) wa s developed using the sol- gel technology. The physical characteri stics of the coated fiber was exam ined by Fourier transfor m infr ared (FTIR) a nd field em ission- scanning electron m icroscopy (FE -SEM) equipped with energy dispersive x-ray (EDX). In the pr econcentration step, the accepto r phase (4 µL) introduced into the hollow fiber (1.5 c m) was used to extract organophophorus pesticides fr om aqueous sam ple (11 m L). The lim it of detection (LOD) obtained varied from 16.9 to 0.65 µg L -1 . The proposed m ethod provided good enrichm ent factors of up to 219, with reproducibility rang ing from 0.39 to 2.92%, and recoveries of over 75%. This method was applied successfully to the determination of organophosphor us pesticides in selected drinking water samples. Penerbit UTM 2008 Book Section PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/16808/1/M.MarsinSanagi2008_ApplicationofCoatedHollowFiberProtectedMembrane.pdf Roharjo, Yanuardi and Sanagi, M. Marsin and Wan Ibrahim, Wan Aini and Abu Naim, Ahmedy (2008) Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides. In: Advances In Fundamentals And Social Sciences. Penerbit UTM , Johor, pp. 40-49. ISBN 978-983-52-0609-2
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic Q Science
spellingShingle Q Science
Roharjo, Yanuardi
Sanagi, M. Marsin
Wan Ibrahim, Wan Aini
Abu Naim, Ahmedy
Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
description This paper evaluates a m ethod for determ ining the organophosphorus pesticides (m ethidation, quinalphos and profenofos) in aqueous sam ple using coated hollow fiber protected liquid phase m icroextraction syst em (CHF-LPME) coupled with reversed phase high perform ance liquid chrom atography (RP- HPLC) with UV-Vis detection. Po lypropylene fiber coated with polydim ethylsiloxane (PDMS) wa s developed using the sol- gel technology. The physical characteri stics of the coated fiber was exam ined by Fourier transfor m infr ared (FTIR) a nd field em ission- scanning electron m icroscopy (FE -SEM) equipped with energy dispersive x-ray (EDX). In the pr econcentration step, the accepto r phase (4 µL) introduced into the hollow fiber (1.5 c m) was used to extract organophophorus pesticides fr om aqueous sam ple (11 m L). The lim it of detection (LOD) obtained varied from 16.9 to 0.65 µg L -1 . The proposed m ethod provided good enrichm ent factors of up to 219, with reproducibility rang ing from 0.39 to 2.92%, and recoveries of over 75%. This method was applied successfully to the determination of organophosphor us pesticides in selected drinking water samples.
format Book Section
author Roharjo, Yanuardi
Sanagi, M. Marsin
Wan Ibrahim, Wan Aini
Abu Naim, Ahmedy
author_facet Roharjo, Yanuardi
Sanagi, M. Marsin
Wan Ibrahim, Wan Aini
Abu Naim, Ahmedy
author_sort Roharjo, Yanuardi
title Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
title_short Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
title_full Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
title_fullStr Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
title_full_unstemmed Application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
title_sort application of coated hollow fiber protected membrane liquid phase microextraction to the analysis of organophosphorus pesticides
publisher Penerbit UTM
publishDate 2008
url http://eprints.utm.my/id/eprint/16808/1/M.MarsinSanagi2008_ApplicationofCoatedHollowFiberProtectedMembrane.pdf
http://eprints.utm.my/id/eprint/16808/
_version_ 1643646667217436672
score 13.211869

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