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Journal of Dairy Science Vol. 39 No. 4 364-373
© 1956 by American Dairy Science Association ®
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A Plan for the Rapid Determination of the Major Cations in Milk

G. K. Murthy and R. McL. Whitney

Department of Food Technology, University of Illinois, Urbana

ABSTRACT

A plan for the rapid determination of the major cations in milk has been described. With this procedure, the standard deviations of the analyses for various ions are as follows: sodium, 0.124 meq/l or 0.70%; potassium, 0.157 meq/l or 0.42%; calcium, 0.191 meq/l or 0.33%; and magnesium, 0.179 meq/l or 1.97%. These values indicate sufficient precision for most purposes. The agreement between the results of analysis with this scheme and those with the usual procedure is satisfactory.

Resin treatment can satisfactorily be employed as a preparatory treatment for cation analysis of a milk dialysate.






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Copyright © 1956 by the American Dairy Science Association ®.