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ISO 15033:2018-ed.3.0

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

NORMA vydaná dňa 15.6.2018

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The information about the standard:

Designation standards: ISO 15033:2018-ed.3.0
Publication date standards: 15.6.2018
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: International technical standard
Kategória: Technické normy ISO

Annotation of standard text ISO 15033:2018-ed.3.0 :

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.