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Standard´s number: | ISO 11337:2010 |
Pages: | 14 |
Edition: | 2 |
Released: | 2010 |
Language: | English |
DESCRIPTION
ISO 11337:2010
ISO 11337:2010 specifies a method for determining epsilon‑caprolactam and omega‑laurolactam in polyamides by gas chromatography. It is suitable particularly for the determination of epsilon‑caprolactam in polyamide 6 and omega‑laurolactam in polyamide 12. Bearing in mind that gas chromatography offers a wide range of possible conditions, the method specified is that shown to have been suitable in practice. 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.