NBN EN 13273 : 2001
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - DETERMINATION OF THE CONTENT OF NON-IONIC SUBSTANCES IN ANIONIC SURFACE ACTIVE AGENTS BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC)
12-01-2013
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Calibration
7 Sampling and preparation of the test sample
8 Procedure
9 Calculation and expression of results
10 Precision
11 Test report
Annex A (informative) Flow diagram for the backflush
valve in position 1 and position 2
Annex B (informative) Example chromatograms
Annex C (informative) Ring test results
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