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Relation between Titratable Acidity and Hydrogen Ion Concentration of Ice Cream Mixes^*

C. D. Dahle, W. K. Budge and J. I. Keith

Department of Dairy Husbandry, Pennsylvania State College, State College, Pa.

ABSTRACT

The titratable acidity of a mix is not a true indication of the amount of lactic acid present.

The figures obtained for titratable acidity are meaningless unless the serum solid content is known.

Knowledge of the serum solid content of a mix, and of its titratable acidity, are not sufficient to enable one to judge the correct point to which the acid may be standardized.

^* Publication authorized by the Director of Pennsylvania State College Agricultural Experiment Station as Technical Paper No. 500.

Part of the material presented in this paper forms a part of the thesis of W. K. Budge, submitted in partial fulfillment of the requirements for the degree of Master of Science, in the Graduate School of the Pennsylvania State College. 1928.