ČSN EN ISO 11337

Plastics - Polyamides - Determination of e-caprolactam and w-laurolactam by gas chromatography

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Detail information

Designation: ČSN EN ISO 11337

Publication date: 01/09/2023

Pages: 24

Country: Czech technical standard

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Anotation

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

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