CSN EN ISO 11337

CSN EN ISO 11337 This document specifies a method for determining e-caprolactam and w-laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of e-caprolactam in polyamide 6 and w-laurolactam in polyamide 12. Two variants of the basic method are specified. - Method A is an extraction method with boiling methanol, and the extract is injected into a gas chromatograph. - Method B is a method using a solvent, and the solution is injected into a gas chromatograph.
Original English text of CSN EN Standard.
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