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DANSK DSF/PREN ISO 16014-5 PDF

DANSK DSF/PREN ISO 16014-5 PDF

Name:
DANSK DSF/PREN ISO 16014-5 PDF

Published Date:

Status:
[ Draft ]

Description:

Plastics – Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography – Part 5: Light-scattering method (ISO/DIS 16014-5:2018)

Publisher:
Dansk Standard

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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$13.5
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DRAFT

This document specifies a general method for determining the average molecular weight and the molecular weight distribution of polymers using SEC-LS, i.e. size-exclusion chromatography coupled with light-scattering detection. The average molecular mass and the molecular mass distribution are calculated from molecular weight data and weight concentrations determined continuously with elution time. The molecular weight at each elution time is determined absolutely by combining a light-scattering detector with a concentration-sensitive detector. Therefore, SEC-LS is classified as an absolute method. For the applicability of the method, see ISO 16014-1:–, Clause A.1.


Edition : 18
File Size : 1 file , 1.5 MB
Number of Pages : 32
Product Code(s) : DSF-021, DSF-021

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