Determination of 6 Chlorophenols in Paper, Paperboard, Wood and Wood Products Used as Food Contact Materials by Accelerated Solvent Extraction and GC-MS

FU Shan-liang, DING Li, XIAO Jia-yong, GONG Qiang, JIAO Yan-na, WANG Xiao-bing, WANG Li-bing

Packaging Engineering ›› 2011 ›› Issue (15) : 48-52.

Packaging Engineering ›› 2011 ›› Issue (15) : 48-52.

Determination of 6 Chlorophenols in Paper, Paperboard, Wood and Wood Products Used as Food Contact Materials by Accelerated Solvent Extraction and GC-MS

  • FU Shan-liang1, DING Li1, XIAO Jia-yong1, GONG Qiang1, JIAO Yan-na1, WANG Li-bing1, WANG Xiao-bing2
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Abstract

A new analytical method was developed for the determination of CPs in paper, paperboard, wood and wood products used as food contact materials by accelerated solvent extraction (ASE) and gas chromatography-mass spectrometry (GC-MS). The operational parameters of ASE, such as extraction solvent, extraction temperature, static extraction time, flush volume and extraction cycles, were optimized. The optimized procedure was using dichloromethane as extraction solvent, 150 ℃ of extraction temperature, 10 min of static extraction time, and 60% flush volume; the extraction recoveries of 6 CPs were nearly to 100% for only one cycle. The results indicated that the developed method has good linearity (R>0.99) in 0.05~2.0 μg/mL mass concentration, good recoveries (86.8%~108.8%) and precision (relative standard deviation (RSD) 1.8%~14.2% ); the limited of detection (LOD) of the 6 CPs are 0.01 mg/kg. It was concluded that the developed method is efficient, simple, rapid, sensitive, accurate and reliable, which can be utilized for CPs residual inspection of sample.

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FU Shan-liang, DING Li, XIAO Jia-yong, GONG Qiang, JIAO Yan-na, WANG Xiao-bing, WANG Li-bing. Determination of 6 Chlorophenols in Paper, Paperboard, Wood and Wood Products Used as Food Contact Materials by Accelerated Solvent Extraction and GC-MS[J]. Packaging Engineering. 2011(15): 48-52

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