NEN EN 15168 : 2006
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - DETERMINATION OF HYDROXYL VALUE - P-TOLUENSULFONYL ISOCYANATE (TSI) METHOD AND POTENTIOMETRIC TITRATION WITH TETRABUTYLAMMONIUM HYDROXIDE
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Calculation and expression of results
10 Precision
11 Test report
Annex A (informative) Interferences
Annex B (informative) Titration apparatus settings
Annex C (informative) Example for a typical potentiometric
titration curve
Annex D (informative) Statistical and other data derived
from the results of inter-laboratory
tests
Bibliography
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