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The electrical conductivity of milk - The effect of dilution and temperature

In English

Författare

Summary, in English

The electrical conductivity of milk at various dilutions was measured at different temperatures from; 2 to 70 degrees C The results showed that dilution has only, a small influence on the temperature dependence of conductivity. A simple power-law model predicts that the conductivity is proportional to the milk concentration to the power of 0.84 and a two-term model describes the temperature dependency. The overall model has a standard deviation of 0.0067 mS cm(-1), which corresponds approximately to 0.1% milk at 2 degrees C and 0.07% milk at 70 degrees C. It was further shown that for less than about 25% milk in water Kohlausch's law and the Dekve-Huckel-Onsager theory can be used to describe the relationship between the concentration, temperature, and conductivity using a representative limiting molar conductivity of milk ions of 75 mS cm(2) mol(-1).

Avdelning/ar

  • Department of Food Technology, Engineering and Nutrition

Publiceringsår

2005

Språk

Engelska

Sidor

15-22

Publikation/Tidskrift/Serie

International Journal of Food Properties

Volym

8

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Taylor & Francis

Ämne

  • Food Engineering

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1532-2386