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  • BSI
    BS EN ISO 13885-3:2021 Gel permeation chromatography (GPC) - Water as eluent
    Edition: 2021
    $411.69
    / user per year

Description of BS EN ISO 13885-3:2021 2021

This document specifies the determination of the molar-mass distribution and the average molar mass values Mn (number average) and Mw (weight average) of polymers that are soluble in water by gel permeation chromatography (GPC).

NOTE Also known as size exclusion chromatography (SEC).

This method is applicable to neutral polymers and polyanions (e.g. polycarboxylates, polysaccharides, fully hydrolyzed polyvinyl alcohols and high-molecular polyethylene oxides). It is not applicable to polycations [e.g. polyvinylpyrrolidone, polyvinylpyridine, salts of poly(diallyl‑N,N‑dimethyl‑azacyclopentane), chitosan].

Despite good solubility in the mobile phase and even though the chromatograms obtained show good repeatability, it is possible that this method cannot be used with certain polymer types because of specific interactions (e.g. adsorption) within the sample/eluent/column system (see also Clause 12).

The conditions specified in this document are not applicable to the GPC analysis of polymer samples with Mw values greater than 106 g/mol and/or polymers with elution limits outside the calibration range (see 7.6 and Annex C).

This document includes no correction methods (e.g. for the elimination of peak broadening). If absolute molar mass values are required, an absolute method (e.g. membrane osmometry for Mn or light scattering for Mw) can be used.



Standard NumberBS EN ISO 13885-3:2021
TitleGel permeation chromatography (GPC) - Water as eluent
StatusDefinitive
Publication Date2021-10-04
Identical National Standard OfISO 13885-3:2020, EN ISO 13885-3:2021
CorrectsBS ISO 13885-3:2020
DescriptorsPrecision, Data, Calibration, Chromatography, Water
ICS87.060.20 Binders
CommitteeSTI/10
ISBN978 0 539 17264 5
PublisherBSI
Pages32

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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