NEN EN 1791 : 1997
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - FATTY ALKYL DIMETHYL AMINE OXIDES - DETERMINATION OF THE AMINE OXIDE CONTENT
12-01-2013
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
7.1 Titration of the sum: Amine oxide and tertiary
amine
7.2 Polonovski reaction and titration of tertiary
amine
8 Expression of results
8.1 Calculation
8.2 Precision
9 Test report
Annex A (informative (instrument settings)
Annex B (informative)
Defines a method for determining the up to date approximately 2 milli-equivalents of tertiary amine oxide. Applies to solids of aqueous solutions of the active material. The molecular mass of the amine oxide shall be known should its content be expressed as a percentage of mass.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| EN 1791:1997 | Identical |
| UNI EN 1791 : 1999 | Identical |
| DIN EN 1791:1997-03 | Identical |
| BS EN 1791:1997 | Identical |
| UNE-EN 1791:1997 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.