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SSH EN 13955:2002

Agjentë me aktivitet sipërfaqësor - Përcaktimi i pikës Krafft dhe shkalla e tretjes e agjentëve sipërfaqësor jonikë

Surface active agents - Determination of Krafft point and solubility of ionic surface active agents
29 dhj 2006

General information

60.60     29 dhj 2006

DPS

DPS/KT 47

European Norm

71.100.40  

anglisht  

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Scope

This European Standard specifies a method for the determination of the solubility of ionic surface active agents in water as a function of concentration and temperature and for the determination of the Krafft point by graphical evaluation of the measurement results.
In the temperature range from 0 °C to 90 °C, the solubility is determined without any limitations if the viscosity of the solution does not exceed about 700 mPas.
At temperatures below 0 °C, determination is only possible if the solvent does not freeze.
The method is applicable both to pure surface active agents and to technical products optically clear and not unduly coloured solutions.
The solubility both of solid and liquid surface active agents and of aqueous solutions of surface active agents is determined by the method specified.

Life cycle

PREVIOUSLY

Replaces
SSH 1426-4:1987

Replaces
SSH 1426-10:1987

NOW

PUBLISHED
SSH EN 13955:2002
60.60 Standard published
29 dhj 2006

Related project

Adopted from EN 13955:2002

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