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Norm
ÖNORM EN 13996
Issue date: 2003 01 01
Surface active agents - Foaming power and antifoaming power - Turbine stirring method
This European Standard specifies a method for measuring the foaming power of a surface active agent and the
antifoaming power of a defoamer with regard to a foaming solu...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 17 Pages
Language:
German
| English
| Download GER/ENG
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This European Standard specifies a method for measuring the foaming power of a surface active agent and the
antifoaming power of a defoamer with regard to a foaming solution.
The method is applicable to all surface active agents and particularly to low foaming products and antifoaming
surface active agents.
However, measurement of the foaming power of solutions of readily hydrolyzable agents does not give valid
results, as the hydrolysis products gather in the films of liquid and affect the persistence of the foam.
ÖNORM EN 13996
2003 01 01
Surface active agents - Foaming power and antifoaming power - Turbine stirring method
Norm
↖
Norm
ISO 607:1980
Issue date :
1980 04 01
Surface active agents and detergents — Methods of sample division
Norm
ÖNORM EN 12829
Issue date :
1998 01 01
Surface active agents - Preparation of water with known calcium hardness (ISO 2174:1990 modified)
Norm
ÖNORM EN ISO 3696
Issue date :
1995 08 01
Water for analytical laboratory use - Specifications and test methods (ISO 3696:1987)
Norm
ISO 607:1980
Issue date :
1980 04 01
Surface active agents and detergents — Methods of sample division