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BS ISO 16014-2:2019
Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography Universal calibration method
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| Označení normy: | BS ISO 16014-2:2019 |
| Počet stran: | 18 |
| Vydáno: | 2019-05-20 |
| ISBN: | 978 0 580 52248 2 |
| Status: | Standard |
DESCRIPTION
BS ISO 16014-2:2019
This standard BS ISO 16014-2:2019 Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography is classified in these ICS categories:
- 83.080.01 Plastics in general
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.