EN ISO 5381:1994
Current
The latest, up-to-date edition.
Starch hydrolysis products - Determination of water content - Modified Karl Fischer method (ISO 5381:1983)
25-08-1994
Foreword
0 Introduction
1 Scope and field of application
2 Reference
3 Principle
4 Reactions
5 Reagents
6 Apparatus
7 Procedure
8 Expression of results
9 Test report
Annex A - Special syringe for adding samples in
the form of viscous liquids and its method of use
Annex B - Illustrations of Karl Fischer apparatus
(for information only)
Reaction of a solution of iodine, sulphur dioxide, pyridine and 2-methoxyethanol with the water contained in the product dispersed previously in a mixture of methanol and formamide. The method described in ISO 760 is improved by determing the content directly using the special solvent.
| Committee |
CEN/BT
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| ISO 5381:1983 | Identical |
| NF EN ISO 5381 : 1994 | Identical |
| NBN EN ISO 5381 : 1994 | Identical |
| NEN EN ISO 5381 : 1994 | Identical |
| NS EN ISO 5381 : 1ED 1994 | Identical |
| I.S. EN ISO 5381:1995 | Identical |
| PN EN ISO 5381 : 2001 | Identical |
| BS EN ISO 5381:1994 | Identical |
| DIN EN ISO 5381:1994-10 | Identical |
| UNE-EN ISO 5381:1995 | Identical |
| ISO 760:1978 | Determination of water — Karl Fischer method (General method) |