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Determination of free formaldehyde content by HS-SPME-GC-MS

Jun Chen

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Abstract

A method had been developed for analysis of formaldehyde in fabrics by GC-MS using headspace solid phase extraction.Samples were treated with 1mg/mL o-(2,3,4,5,6-Pentafluorobenzyl) hydroxylamine(PFBOA) in a sealed vial at 60℃ for 30min.Headspace was then extracted by solid-phase microextraction(SPME) with 65μm PDMS/DVB and directly analyzed by gas chromatography/mass spectrometry(GC/MS) at selected ion method(SIM) mode.This headspace SPME-GC/MS is highly sensitive for target compound because it eliminates interference from the sample matrix solution.The limits of detection were 0.02 mg/kg with average recovery between 94.9 %～98.7 % at different spiking level.The relative standard deviation of the compounds in spiked sample were 2.97 %～4.59 % respectively.

About this research paper

What this paper is about

A method had been developed for analysis of formaldehyde in fabrics by GC-MS using headspace solid phase extraction.Samples were treated with 1mg/mL o-(2,3,4,5,6-Pentafluorobenzyl) hydroxylamine(PFBOA) in a sealed vial at 60℃ for 30min.Headspace was then extracted by solid-phase microextraction(SPME) with 65μm PDMS/DVB and directly analyzed by gas chromatography/mass spectrometry(GC/MS) at selected ion method(SIM) mode.This headspace SPME-GC/MS is highly sensitive for target compound because it eliminates interference from the sample matrix solution.The limits of detection were 0.02 mg/kg with average recovery between 94.9 %～98.7 % at different spiking level.The relative standard deviation of the compounds in spiked sample were 2.97 %～4.59 % respectively.

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Available abstract

A method had been developed for analysis of formaldehyde in fabrics by GC-MS using headspace solid phase extraction.Samples were treated with 1mg/mL o-(2,3,4,5,6-Pentafluorobenzyl) hydroxylamine(PFBOA) in a sealed vial at 60℃ for 30min.Headspace was then extracted by solid-phase microextraction(SPME) with 65μm PDMS/DVB and directly analyzed by gas chromatography/mass spectrometry(GC/MS) at selected ion method(SIM) mode.This headspace SPME-GC/MS is highly sensitive for target compound because it eliminates interference from the sample matrix solution.The limits of detection were 0.02 mg/kg with average recovery between 94.9 %～98.7 % at different spiking level.The relative standard deviation of the compounds in spiked sample were 2.97 %～4.59 % respectively.

Key concepts: Chromatography, Solid-phase microextraction, Gas chromatography–mass spectrometry, Chemistry, Mass spectrometry, Formaldehyde, Extraction (chemistry), Analytical Chemistry (journal)

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