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ISO 4504:2023
ISO 4504:2023 Plastics – Polyethylene (PE) – Determination of co-monomer content by solution state 13C-NMR spectrometry
CDN $233.00
Description
This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry):
–¬†¬†¬† method A: inverse gated decoupling method.
–¬†¬†¬† method B: insensitive nuclei enhanced by polarization transfer method;
This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %.
This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.
Edition
1
Published Date
2023-06-16
Status
PUBLISHED
Pages
25
Language
English
Format
Secure PDF
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Abstract
This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry):
-    method A: inverse gated decoupling method.
-    method B: insensitive nuclei enhanced by polarization transfer method;
This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %.
This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.
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