Ключевые слова:
Determination of content, Buttermilk, Dairy products, Trace element analysis, Food testing, Butter, Chemical analysis and testing, Evaporated milk, Specimen preparation, Ice cream, Yoghurt, Skimmed milk, Casein, Condensed milk, Iron, Food products, Milk, Spectrophotometry, Cream (dairy products), Butterfat, Cheese, Dried milk