Pyrolysis mass spectrometry isolates covalently bound alkyl ketene dimer esters from free waxes in paperboard, verifying food contact safety and mill sizing cure.
Tenax TA vapor capture combined with LC-GC-FID and chemical epoxidation provides defensible separation of volatile MOSH and MOAH fractions in paperboard.
Quantifying residual acrylate monomers by gas chromatography requires solvent extraction and headspace screening to verify compliance with food migration limits.
Gas chromatography verification requires static headspace extraction at 100 degrees Celsius to quantify residual ink solvents down to zero point five milligrams.
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