Status : Published (Under review)

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Abstract

This document specifies a 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 using a universal calibration curve instead of the conventional calibration curve.

NOTE This test method is classified as a relative method as described in ISO 16014-1, but the average molecular weights and molecular weight distributions calculated by the method are equal to, or nearly equal to, the absolute values. For details, see the Annex A.

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General information

  • Status
     : Published
    Publication date
     : 2019-05
    Stage
    : International Standard under systematic review [90.20]
  • Edition
     : 3
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 61/SC 5
    ICS :
    83.080.01 
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