Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi)
Online ISSN : 1882-1006
Print ISSN : 0015-6426
ISSN-L : 0015-6426
Originals
Headspace GC/MS Analysis of Residual Vinyl Chloride and Vinylidene Chloride in Polyvinyl Chloride and Polyvinylidene Chloride Products
Hiroyuki OHNOMotoh MUTSUGAYoko KAWAMURAMasako SUZUKITaiki AOYAMA
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2005 Volume 46 Issue 1 Pages 8-12

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Abstract

A headspace GC/MS analysis method for the simultaneous determination of residual vinyl chloride (VC) and vinylidene chloride (VDC) in polyvinyl chloride (PVC) and polyvinylidene chloride (PVDC) products was developed. A test sample was swelled overnight with N,N-dimethylacetamide in a sealed vial. The vial was incubated for 1 hour at 90°C, then the headspace gas was analyzed by GC/MS using a PLOT capillary column. The recoveries from spiked PVC and PVDC samples were 90.0-112.3% for VC and 85.2-108.3% for VDC. The determination limits were 0.01 μg/g for VC and 0.06 μg/g for VDC, respectively. By this method, VC was detected in two PVC water supply pipes at the levels of 0.61 and 0.01 μg/g. On the other hand, VC and VDC were not detected in any of the food container-packages or toys tested.

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© 2005 Japanese Society for Food Hygiene and Safety
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