title: Purge-and-trap gas chromatographic-mass spectrometric determination of benzene in denture adhesives.
abstract: A purge-and-trap gas chromatographic-mass spectrometric procedure is presented for determination of trace levels of benzene in denture adhesives and their raw materials. The limit of quantitation is 10 ppb, reproducibility is +/- 10%, and recoveries of d6-benzene are 70-85%. Results of a nationwide survey of 109 finished products and their raw materials representing 32 brand name products from 17 manufacturers are reported.
authors.affiliation: U.S. Food and Drug Administration, New York Regional Laboratory, Brooklyn 11232, USA.
authors.forename: T L
authors.initials: TL
authors.lastname: Barry
authors.forename: G
authors.initials: G
authors.lastname: Petzinger
authors.forename: G
authors.initials: G
authors.lastname: Lehr
authors.forename: J J
authors.initials: JJ
authors.lastname: Specchio
mesh_terms: D000269:Adhesives / Q000737:chemistry*; D001554:Benzene / Q000032:analysis*; D017268:Dental Prosthesis Retention; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D015203:Reproducibility of Results
chemical_list: D000269:Adhesives; D001554:Benzene