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CEN
EN 13926 : 2003

EN 13926 : 2003

Current

Current

The latest, up-to-date edition.

SURFACE ACTIVE AGENTS - ALKOXYLATED DERIVATIVES - DETERMINATION OF HYDROXYL VALUE - N-METHYL IMIDAZOLE METHOD

Published date

03-12-2003

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Term and definition
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Expression of results
10 Precision
11 Test report
Annex A (informative) Results of interlaboratory test
Annex B (informative) Example for potentiometric operating
        parameters
Annex C (informative) Example for a typical titration curve
        and its derivative
Bibliography

This draft European Standard specifies a method for the determination of hydroxyl value of aliphatic and alicyclic hydroxyl compounds such as polyols, sorbitan esters, plasticisers and surface active agent alcohols and ethoxylates with hydroxyl values greater than 20 mg/g KOH.

Committee
TC 276
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
SN EN 13926 : 2003 Identical
NBN EN 13926 : 2003 Identical
UNE-EN 13926:2003 Identical
BS EN 13926:2003 Identical
NF EN 13926 : 2003 Identical
I.S. EN 13926:2003 Identical
NS EN 13926 : 1ED 2003 Identical
PN EN 13926 : 2004 Identical
NEN EN 13926 : 2003 Identical
UNI EN 13926 : 2003 Identical
DIN EN 13926:2003-06 Identical

DIN EN 15168:2007-02 Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
DIN EN 15168 E : 2007 SURFACE ACTIVE AGENTS - DETERMINATION OF HYDROXYL VALUE - P-TOLUENSULFONYL ISOCYANATE (TSI) METHOD AND POTENTIOMETRIC TITRATION WITH TETRABUTYLAMMONIUM HYDROXIDE
BS EN 15168:2006 Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
EN 15168:2006 Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide

ISO 607:1980 Surface active agents and detergents Methods of sample division
ISO 4314:1977 Surface active agents — Determination of free alkalinity or free acidity — Titrimetric method
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method

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