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KRAFFT TEMPERATURE [1 record]

Record 1 1998-03-27

English

Subject field(s)
  • Chemistry
DEF

The temperature (in practice, a narrow range of temperatures) at which the solubility of ionic surface active agents rises sharply. At this temperature the solubility becomes equal to the critical micellization concentration (c.m.c.). [Definition standardized by ISO.]

OBS

In the soap industry the term "Krafft Point" is defined as the temperature below which a transparent soap solution becomes cloudy.

OBS

Krafft temperature: term standardized by ISO.

French

Domaine(s)
  • Chimie
DEF

Température (pratiquement, étroit intervalle de température) à laquelle la solubilité des agents de surface ioniques augmente brusquement. À cette température, la solubilité atteint la valeur de la concentration critique pour la formation de micelles (c.m.c.). [Définition normalisée par l'ISO.]

OBS

Dans l'industrie des savons, on désigne par "Point de Krafft" la température à laquelle une solution transparente de savon devient trouble par refroidissement.

OBS

température de Krafft : terme normalisé par l'ISO.

Spanish

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