ISO 11337:2023
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ISO 11337:2023
83768

Abstract

 Preview

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.


General information 

  •  :  Published
     : 2023-01
  •  : 3
     : 11
  •  : ISO/TC 61/SC 9 Thermoplastic materials
  •  :
    83.080.20 Thermoplastic materials

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