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Type C interferent (E1618)

ASTM E1618 designation for a substrate whose pyrolysis products can produce a chromatographic pattern meeting the criteria for an ignitable liquid category. Requires explicit comparison sample analysis and documentation before a positive identification opinion can be issued.

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Related terms

4-Vinylcyclohexene (4-VCH)Alkene triplet patternBackground subtractionComparison (control) samplePrincipal component analysis (PCA)PyrolysisSubstrate interferentSWGFEX Type C interferent listUnresolved complex mixture (UCM)

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