EN 13926:2003
Current
The latest, up-to-date edition.
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value - N-methyl imidazole method
12-03-2003
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 |
CEN/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 |
| 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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