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sklademVydáno: 2018-06-22
BS ISO 15033:2018
Plastics. Determination of caprolactam and its cyclic and linear oligomers by HPLC
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| Označení normy: | BS ISO 15033:2018 |
| Počet stran: | 24 |
| Vydáno: | 2018-06-22 |
| ISBN: | 978 0 580 94256 3 |
| Status: | Standard |
DESCRIPTION
BS ISO 15033:2018
This standard BS ISO 15033:2018 Plastics. Determination of caprolactam and its cyclic and linear oligomers by HPLC is classified in these ICS categories:
- 83.080.01 Plastics in general
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.