BSI BS EN ISO 11337:2023

Current Revision
Plastics. Polyamides. Determination of ε-caprolactam and ω-laurolactam by gas chromatography

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BSI BS EN ISO 11337:2023

Plastics. Polyamides. Determination of ε-caprolactam and ω-laurolactam by gas chromatography

PUBLISH DATE 2023
PAGES 18
BSI BS EN ISO 11337:2023

This document specifies a method for determining ε-caprolactam and ω-laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of ε-caprolactam in polyamide 6 and ω-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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