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.
EN ISO 11337:2023由欧洲标准化委员会 IX-CEN 发布于 2023-02-01,并于 2023-05-31 实施,于 2023-08-31 废止。
EN ISO 11337:2023在国际标准分类中归属于: 83.080.20 热塑性塑料。
非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 EN ISO 11337:2023 前三页,或者稍后再访问。
点击下载后,生成下载文件时间比较长,请耐心等待......
Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号