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sklademVydáno: 2019-05-17
BS ISO 16014-1:2019
Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography General principles
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| Označení normy: | BS ISO 16014-1:2019 |
| Počet stran: | 24 |
| Vydáno: | 2019-05-17 |
| ISBN: | 978 0 580 52247 5 |
| Status: | Standard |
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BS ISO 16014-1:2019
This standard BS ISO 16014-1:2019 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 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.