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Homepage>ISO Standards>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

ISO 16014-4:2019

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

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Standard´s number:	ISO 16014-4:2019
Pages:	14
Edition:	3
Released:	2019
Language:	English

DESCRIPTION

ISO 16014-4:2019

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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