Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography -- Universal calibration method
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.
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.
| SDO | BSI: British Standards Institution |
| Document Number | ISO 16014-2 |
| Publication Date | May 20, 2019 |
| Language | en - English |
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| Supercedes | |
| Committee | PRI/21 |
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