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UNE EN ISO 11337:2023
Plastics - Polyamides - Determination of e-caprolactam and w-laurolactam by gas chromatography (ISO 11337:2023)
Plásticos. Poliamidas. Determinación de E-caprolactama y W-laurolactama por cromatografía de gases. (ISO 11337:2023).
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| Standard number: | UNE EN ISO 11337:2023 |
| Pages: | 19 |
| Released: | 2023-10-31 |
| Status: | Standard |
| Pages (Spanish): | 21 |
DESCRIPTION
UNE EN ISO 11337:2023
This document specifies a method for determining µ caprolactam and É laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of µ caprolactam in polyamide 6 and É 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.