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immediate downloadReleased: 2023-01-16
ISO 11337:2023
ISO 11337:2023 - Plastics — Polyamides — Determination of ε-caprolactam and ω-laurolactam by gas chromatography
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| Standard´s number: | ISO 11337:2023 |
| Edition: | 3 |
| Released: | 2023-01-16 |
| Pages (English): | 11 |
| Pages (French): | 12 |
DESCRIPTION
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.