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ISO 15033:2018

Plastics — Determination of caprolactam and its cyclic and linear oligomers by HPLC

Standard Details

This document describes a high-performance liquid chromatography (HPLC) method for determining the concentrations of cyclic oligomers of caprolactam, from 0,01 % by mass upwards, and linear oligomers of caprolactam, from 5 mg/kg upwards, both up to and including the hexamer of caprolactam (n = 6), in samples of polyamide 6, caprolactam and mixtures of rearrangement products in water.

A second, significantly faster, HPLC method is included for determination of caprolactam and its cyclic dimer, based on the same principle and using the same equipment as the first method.

General Information

Status : Published
Standard Type: Main
Document No: ISO 15033:2018
Document Year: 2018
Pages: 15
Edition: 3

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ISO 15033:2018
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