Most recent
ISO 11337:2023
Plastics - Polyamides - Determination of -caprolactam and -laurolactam by gas chromatography
This document specifies a method for determining caprolactam and laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of caprolactam in polyamide 6 and 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.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]