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ISO 16014-1:2019
ISO 16014-1:2019 - Plastics — Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography — Part 1: General principles
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| Standard´s number: | ISO 16014-1:2019 |
| Edition: | 3 |
| Released: | 2019-05-15 |
| Pages (English): | 17 |
DESCRIPTION
ISO 16014-1:2019
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.