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Universal acidity - conductivity relations in commercial bulk starter production

Authors: N.H. Hancock, I. McKinnon and A.D. Maxwell


Results from the application of novel high-precision conductivity measurement to the preparation of bulk starter indicates that there exists:

a universal relationship between change in conductivity and change in pH; and

a universal and close-to-linear relationship between change in conductivity and titratable acidity.

These results are supported by a simple numerical model of the Ca2+, PO4 3-, HPO4 2-and H2PO4 - equilibria for standardised milks up to the point of complete solubilisation of the colloidal calcium phosphate.

$15.00 (inc. GST)