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  • Title: Determination of vinyl chloride monomer residue in poly(vinyl chloride) at the parts-per-billion level with an automatic purge-and-trap technique.
    Author: Poy F, Cobelli L, Banfi S, Fossati F.
    Journal: J Chromatogr; 1987 Jun 12; 395():281-9. PubMed ID: 3624352.
    Abstract:
    A method for the determination of vinyl chloride residue in poly(vinyl chloride) using a commercial purge-and-trap ancillary unit has been developed. Concentrations lower than 10 ppb (10(9] with relative standard deviations in the region of 10% in up to 24 samples are detectable with fully automatic operation without operator attendance. With multiple extraction of the same sample an external standard is used; the matrix does not have any influence on the recovery of vinyl chloride.
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