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sklademVydáno: 2019-05-20
BS ISO 16014-4:2019
Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography High-temperature method
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| Označení normy: | BS ISO 16014-4:2019 |
| Počet stran: | 22 |
| Vydáno: | 2019-05-20 |
| ISBN: | 978 0 580 52250 5 |
| Status: | Standard |
DESCRIPTION
BS ISO 16014-4:2019
This standard BS ISO 16014-4:2019 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 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).