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ISO 13885-1:2008

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Binders for paints and varnishes Gel permeation chromatography (GPC) Part 1: Tetrahydrofuran (THF) as eluent
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

09-07-2020

Language(s)

English, Russian

Published date

21-07-2008

ISO 13885-1:2008 describes the determination of the molar-mass distribution, number-average molar mass Mn and mass-average molar mass Mw of polymers that are soluble in THF (tetrahydrofuran) by gel permeation chromatography (GPC) [also known as size exclusion chromatography (SEC)].

It is possible that, in spite of the good repeatability obtained with this method, it cannot be used with certain polymer types because of specific interactions, such as adsorption within the sample/eluent/column system.

The method is not an absolute one and requires calibration with commercially available unbranched-polystyrene standards that have been characterized by absolute methods. The results for samples of polymers other than polystyrene are therefore only comparable within groups of samples of the same type.

The conditions specified in this part of ISO 13885 are not suitable for the GPC analysis of polymer samples with Mw values greater than 106.

No correction methods, e.g. for the elimination of peak broadening, are included in this part of ISO 13885. If absolute molar-mass values are required, an absolute method, e.g. membrane osmometry for Mn or light scattering for Mw, must be used.

DevelopmentNote
Supersedes ISO/DIS 13885-1. (07/2008)
DocumentType
Standard
Pages
23
PublisherName
International Organization for Standardization
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
BS ISO 13885-1:2008 Identical
NEN ISO 13885-1 : 2008 Identical

I.S. EN ISO 7143:2007 BINDERS FOR PAINTS AND VARNISHES - METHODS OF TEST FOR CHARACTERIZING WATER-BASED BINDERS
DIN EN ISO 7143:2007-05 Binders for paints and varnishes - Methods of test for characterizing water-based binders (ISO 7143:2007)
BS EN ISO 7143:2007 Binders for Paints and varnishes. Methods of test for characterizing water-based binders
EN ISO 7143:2007 Binders for paints and varnishes - Methods of test for characterizing water-based binders (ISO 7143:2007)
ISO 7143:2007 Binders for paints and varnishes — Methods of test for characterizing water-based binders

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 15528:2013 Paints, varnishes and raw materials for paints and varnishes Sampling
ISO 1513:2010 Paints and varnishes Examination and preparation of test samples

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