APPLICATION OF TITRIMETRIC TECHNIQUE TO DETERMINE PHOSPHATES IN CHEESES

Mariуa VOROBETS, Igor KOBASA, Aureliуa CHEBAN

Abstract

A method of the titrimetric determination of phosphate (food additives E338 - phosphate acid, E339 - sodium phosphate, E340 - potassium phosphate, E341 - calcium phosphate, E450 - sodium and calcium pyrophosphate,) in cheeses has been developed. The research experimental results regarding the phosphate ion content in hard and spread cheeses (in terms of phosphate acid, %) obtained by means of the developed  methodology are described. The correctness and accuracy of the results obtained by developed technique are confirmed by the definition of phosphates in the studied samples of cheeses by photometric method (by the method according to DSTU ISO 3360: 2008). A comparative analysis of the two methods has been performed.

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