The aim of this study was the investigation of the possibilities of direct determination of calcium. sodium and potassium in the commercial and kombucha-based fermented milk products by flame photometry. Two procedures were used for sample preparation: simple dilution with water (direct method) and extraction with mineral acid. Calcium. https://www.spidertattooz.com/The-Creme-Shop-X-Hello-Kitty-Pure-Cure-Strawberry-Milk-Toner-Klean-Beauty-p14481/