BS EN ISO 10927:2018
Current
The latest, up-to-date edition.
Plastics. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
Hardcopy , PDF
English
20-07-2018
| Committee |
PRI/21
|
| DocumentType |
Standard
|
| ISBN |
9780580962080
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies a general method for determining the average molecular mass and molecular mass distribution of polymers (see Reference[1]) from 2000g⋅mol−1 to 20000g⋅mol−1 by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS).
The average molecular masses and molecular mass distributions are calculated from a calibration curve constructed using synthetic-polymer and/or biopolymer standards. This method is therefore classified as a relative method.
The method is not applicable to polyolefins or to polymers with a polydispersity>1,2.
| Standards | Relationship |
| ISO 10927:2018 | Identical |
| EN ISO 10927:2018 | Identical |
| EN ISO 10927:2011 | Identical |
| DIN EN ISO 10927:2018-10 | Equivalent |
| I.S. EN ISO 10927:2018 | Equivalent |
| ISO 10927:2018 | Equivalent |
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