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2006•Journal of Analytical ScienceRequires access

Determination of Free Formaldehyde in Fibre Products by SPME GC/MS with PFBOA Derivatization

Jun Chen, Zhang Yan

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Abstract

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

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What this paper is about

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

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Available abstract

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

Key concepts: Chemistry, Chromatography, Derivatization, Solid-phase microextraction, Gas chromatography–mass spectrometry, Formaldehyde, Mass spectrometry, Detection limit

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