Abstract

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This document specifies a general method for determining the average molecular weight and the molecular weight distribution of polymers using size-exclusion chromatography (SEC).

The average molecular weight and the molecular weight distribution are calculated from a calibration curve constructed using polymer standards if using one of the SEC techniques described in ISO 16014-2 to ISO 16014-4 or from a calibration curve constructed using absolute molecular weight data if using size-exclusion chromatography coupled with light-scattering detection (SEC-LS) as described in ISO 16014-5.


General information 

  • Status
     : Published
    Publication date
     : 2019-05
  • Edition
     : 3
    Number of pages
     : 17
  • Technical Committee
     : ISO/TC 61/SC 5 Physical-chemical properties
  • ICS
     :
    83.080.01 Plastics in general

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