doi: 10.1016/s0021-9673(01)94117-2.
Determination of vinyl chloride monomer residue in poly(vinyl chloride) at the parts-per-billion level with an automatic purge-and-trap technique
- PMID: 3624352
- DOI: 10.1016/s0021-9673(01)94117-2
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Determination of vinyl chloride monomer residue in poly(vinyl chloride) at the parts-per-billion level with an automatic purge-and-trap technique
J Chromatogr.
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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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