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BS EN 15168:2006

BS EN 15168:2006

Current

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-29-2006

Publisher

British Standards Institution

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

Specifies a method for the determination of hydroxyl value of aliphatic and cyclic hydroxyl compounds with hydroxyl groups attached to primary and secondary carbon atoms.

This European Standard specifies a method for the determination of hydroxyl value of aliphatic and cyclic hydroxyl compounds with hydroxyl groups attached to primary and secondary carbon atoms. This European Standard is applicable to polyacetals, temperature sensitive materials, high solids polymer polyols and rigid polyols and phenols. This European Standard is not suitable for determination of hydroxyl groups attached to tertiary carbon atoms. NOTE This method is currently recommended for neutral refined products. However for products that contain an excess of acidic species a validation should be carried out to show that the acidic species either does not interfere or that the acidic species interference has been obviated.

Committee
CII/34
DevelopmentNote
Supersedes 05/30129821 DC. (02/2007)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current

Standards Relationship
NS EN 15168 : 1ED 2006 Identical
I.S. EN 15168:2006 Identical
UNE-EN 15168:2007 Identical
NEN EN 15168 : 2006 Identical
NBN EN 15168 : 2007 Identical
SN EN 15168 : 2007 Identical
NF EN 15168 : 2007 Identical
EN 15168:2006 Identical
UNI EN 15168 : 2007 Identical
DIN EN 15168 E : 2007 Identical
DIN EN 15168:2007-02 Identical

EN 13926 : 2003 SURFACE ACTIVE AGENTS - ALKOXYLATED DERIVATIVES - DETERMINATION OF HYDROXYL VALUE - N-METHYL IMIDAZOLE METHOD
ISO 607:1980 Surface active agents and detergents Methods of sample division
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
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

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Hardcopy - English
PDF - English
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