Semi-quantitative response factors for unknown polymer migrants require response factor distribution analysis and empirical safety multipliers to prevent toxicological underestimation.
Quantifying photoinitiator residues in recycled polyolefins demands solvent extraction and mass spectrometry to verify migration limits under European food contact rules.
Ionization efficiency matrix corrections convert high-resolution mass spectrometry peak areas into accurate migrant concentrations, preventing false compliant packaging declarations.
Mass spectrometry NIAS risk analysis quantifies unknown contaminants in recovered polypropylene using TTC thresholds to defend food-contact compliance dossiers.
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