title: [Headspace GC/MS analysis of residual vinyl chloride and vinylidene chloride in polyvinyl chloride and polyvinylidene chloride products].
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 degrees 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 microg/g for VC and 0.06/microg/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 microg/g. On the other hand, VC and VDC were not detected in any of the food container-packages or toys tested.
authors.affiliation: Nagoya City Public Health Research Institute: 1-11, Hagiyama-cho, Mizuho-ku, Nagoya 467-8615, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Ohno
authors.forename: Motoh
authors.initials: M
authors.lastname: Mutsuga
authors.forename: Yoko
authors.initials: Y
authors.lastname: Kawamura
authors.forename: Masako
authors.initials: M
authors.lastname: Suzuki
authors.forename: Taiki
authors.initials: T
authors.lastname: Aoyama
mesh_terms: D004000:Dichloroethylenes / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry / Q000295:instrumentation / Q000379:methods*; D011143:Polyvinyl Chloride / Q000031:analogs & derivatives* / Q000737:chemistry*; D014752:Vinyl Chloride / Q000032:analysis*
chemical_list: D004000:Dichloroethylenes; C029297:vinylidene chloride; C029547:polyvinylidene chloride; D011143:Polyvinyl Chloride; D014752:Vinyl Chloride