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Chemical and rheological aspects of gel formation in the California Mastitis Test

Published online by Cambridge University Press:  14 January 2005

David Whyte
Affiliation:
Sensortec Ltd, PO Box 11004, Hamilton, New Zealand
Michael Walmsley
Affiliation:
Department of Materials Science, The University of Waikato, Private Bag 3105, Hamilton, New Zealand
Alvin Liew
Affiliation:
Department of Materials Science, The University of Waikato, Private Bag 3105, Hamilton, New Zealand
Rod Claycomb
Affiliation:
Sensortec Ltd, PO Box 11004, Hamilton, New Zealand
Graeme Mein
Affiliation:
Sensortec Ltd, PO Box 11004, Hamilton, New Zealand

Abstract

The rheological properties of the CMT gel were analysed. Data are presented to demonstrate that the gel is a non-homogenous, visco-elastic, non-Newtonian fluid with rheopectic, and rheodestructive behaviour. The fundamental chemistry of the CMT is reviewed and a modified theory of gel formation is presented. The implications of the rheological properties and modified theory of gel formation for an automatic sensor are discussed.

Type
Research Article
Copyright
Proprietors of Journal of Dairy Research 2005

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