DIN EN 13926:2003-06
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - ALKOXYLATED DERIVATIVES - DETERMINATION OF HYDROXYL VALUE - N-METHYL IMIDAZOLE METHOD
Hardcopy , PDF
English, German
01-01-2003
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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
Gives 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 alkoxylates with hydroxyl values greater than 20 mg KOH/g.
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Current
|
| Standards | Relationship |
| SN EN 13926 : 2003 | Identical |
| NBN EN 13926 : 2003 | Identical |
| UNE-EN 13926:2003 | Identical |
| 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 |
| NEN EN 13926 : 2003 | Identical |
| UNI EN 13926 : 2003 | Identical |
| 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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