Active standard | Published: 15/06/2018

ISO 15033:2018-ed.3.0

Plastics — Determination of caprolactam and its cyclic and linear oligomers by HPLC
(Plastiques — Détermination du caprolactame et de ses oligomeres cycliques et linéaires par CLHP)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 15033:2018-ed.3.0

Publication date: 15/06/2018

Pages: 15

Country: International technical standard

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Description / Abstract: 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.

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