NS EN 14371 : 1ED 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Test equipment
7 Sampling and preparation of the test sample
8 Procedure
9 Expression of results
10 Precision
11 Test report
Annex A (informative) Test equipment
Annex B (informative) Results of sample A obtained in four
        laboratories according to M 1 and in three laboratories
        according to M 2
Annex C (informative) Ring test results
Annex D (informative) Statistical data of the determination
        of foamability of reference surface active agent
        RS 1 (0,01 %)
Annex E (informative) Example of foam
        profiles of surface active agents and detergents

Specifies a method for the determination of foamability and degree of foamability of surface active agents by means of a circulation equipment, whereby the solution of the surface active agent is under fast circulation.