ISO-11337 › Plastics - Polyamides - Determination of -caprolactam and -laurolactam by gas chromatography

ISO-11337 - 3RD EDITION - CURRENT
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This document specifies a method for determining caprolactam and laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of caprolactam in polyamide 6 and 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.

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Document Number

ISO 11337:2023

Revision Level

3RD EDITION

Status

Current

Publication Date

Jan. 1, 2023

Committee Number

ISO/TC 61/SC 9