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ISO 16014-1:2019

Plastics — Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography — Part 1: General principles

May 15, 2019

General information

90.93     Jun 6, 2024

ISO

ISO/TC 61/SC 5

International Standard

83.080.01  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 16014-1:2012

NOW

PUBLISHED
ISO 16014-1:2019
90.93 Standard confirmed
Jun 6, 2024