I.S. EN 12139:1999
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - DETERMINATION OF THE TOTAL POLYETHYLENE GLYCOL CONTENT OF NON-IONIC SURFACE ACTIVE AGENTS (EO ADDUCTS) BY HPLC/GPC
Hardcopy , PDF
English
01-01-1999
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Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling and preparation of the test sample
7 Procedure
8 Expression of results
9 Precision
10 Test report
Annex A (informative) Ring-test 407-1-92
Annex B (informative) Structure of the special cartridge
Annex C (informative) Examples of chromatograms
Annex D (informative) Bibliography
Defines a method for the determination of the total polyethylene glycol (PEG) content of aromatic and aliphatic non-ionic surface active agents of the type R-(O-C[2]H[4])[P]-OH, where p is the mean ethylene oxide (EO) value.
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 12139:1999 | Identical |
| BS EN 12139:1999 | Identical |
| UNE-EN 12139:1999 | Identical |
| UNI EN 12139 : 2001 | Identical |
| DIN EN 12139:1999-04 | Identical |
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