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.diegojavierfares.com/hot-find-DC-Magnolia-Parka-Black-mega-value/