Journal of Separation Science, ( ISI ), Volume (36), No (5), Year (2013-5) , Pages (1629-1635)

Title : ( Determination of monocyclic aromatic amines using headspace solid-phase microextraction based on sol–gel technique prior to GC )

Authors: Ali Sarafraz Yazdi , Masoomeh Sayyar Ardaki , Amirhassan Amiri ,

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In this research, the headspace solid-phase microextraction (SPME) coupled with GC flame ionization detector was applied for the determination of some monocyclic aromatic amines in real water and urine samples. A sol–gel technique was applied for the preparation of the SPME fibers. Two different sol–gel coatings, (PEG and poly(ethylene glycol) modified with multi-walled carbon nanotubes [PEG/CNTs]), were prepared and compared. Extraction efficiency of PEG/CNTs was better than PEG fiber in the same conditions. To obtain maximum extraction efficiency, some parameters such as desorption temperature and time, temperature and time of extraction, salt effect, pH, and stirring speed were investigated and optimized for PEG/CNTs fiber. Under optimized conditions, the LODs (S/N = 3) were in the range of 0.5–50 ng/L and limits of quantification (S/N = 10) were between 1 and 500 ng/L. Repeatability (n = 5) was in the range of 3.2–9.1% and reproducibility (n = 3) was obtained from 5.5 to 12.0%. The method was successfully applied to the analysis of real water and urine samples with recoveries from 63.7 to 97.0%.

Keywords

, Headspace solid, phase microextraction / Monocyclic aromatic amines / Multi, walled carbon nanotubes / Sol–gel technique DOI
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@article{paperid:1034501,
author = {Sarafraz Yazdi, Ali and Sayyar Ardaki, Masoomeh and Amirhassan Amiri},
title = {Determination of monocyclic aromatic amines using headspace solid-phase microextraction based on sol–gel technique prior to GC},
journal = {Journal of Separation Science},
year = {2013},
volume = {36},
number = {5},
month = {May},
issn = {1615-9306},
pages = {1629--1635},
numpages = {6},
keywords = {Headspace solid-phase microextraction / Monocyclic aromatic amines / Multi-walled carbon nanotubes / Sol–gel technique DOI 10.1002/jssc.201200940},
}

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%0 Journal Article
%T Determination of monocyclic aromatic amines using headspace solid-phase microextraction based on sol–gel technique prior to GC
%A Sarafraz Yazdi, Ali
%A Sayyar Ardaki, Masoomeh
%A Amirhassan Amiri
%J Journal of Separation Science
%@ 1615-9306
%D 2013

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