EN 15647:2009
Current
The latest, up-to-date edition.
Surface active agents - Determination of the dispersing effect of surfactants on powder
01-14-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling and preparation of the test sample
8 Procedure
8.1 Preparation of the surfactant solution
8.2 Positioning of the cylinder
8.3 Adjustment of the stirrer velocity
8.4 Carrying out of the test
9 Calculation and expression of results
10 Precision
10.1 Repeatability limit
10.2 Reproducibility limit
11 Test report
Annex A (informative) - Statistical and other data derived
from the results of interlaboratory tests
Bibliography
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