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ISO 16014-4:2019

Plastics -- Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography -- Part 4: High-temperature method

General information

Valid from 15.05.2019
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.05.2019
Main
03.07.2012
Main
This document specifies a method for determining the average molecular weight and the molecular weight distribution of polymers by size-exclusion chromatography (SEC) using an organic eluent at temperatures between 60 �C and 220 �C (see Annex A). The average molecular weight and the molecular weight distribution are calculated from a calibration curve prepared using polymer standards. Therefore, this test method is classified as a relative method (see ISO 16014-1).

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