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NBN ISO 16014-2:2021
Plastics — Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography — Part 2: Universal calibration method
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Summary
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.
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.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 05/28/2021 |
| Page Count | 18 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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