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
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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
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