Resumen
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.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2023-01Etapa: Norma Internacional publicada [60.60]
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Edición: 3Número de páginas: 11
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Comité Técnico :ISO/TC 61/SC 9ICS :83.080.20
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Ciclo de vida
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Anteriormente
RetiradaISO 11337:2010
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Ahora