ANALISIS KANDUNGAN KALSIUM DAN FOSFOR DALAM SUSU FORMULA BAYI DENGAN METODE DESTRUKSI KERING DAN BASAH MENGGUNAKAN SPEKTROSKOPI SERAPAN ATOM
Milk is an animal product that has high nutritional value. The two main minerals found in milk are calcium and phosphorus. Analysis of calcium and phosphorus content in infant formula by dry and wet digestion methods has been carried out. The concentration of calcium and phosphorus in infant formula was determined by atomic absorption spectrophotometry using a calibration curve. The purpose of this study was to determine the levels of calcium and phosphorus in formula milk sold in markets, pharmacies and super markets and to provide information to the public about the safety of these formula milk products based on the research results obtained. The concentration of calcium in infant formula A, B and C using dry and wet digestion methods respectively were: sample A, which was 21.17 ppm and 24.88 ppm; sample B is 22.35 ppm and 25.58 ppm; and sample C, namely 21.36 ppm and 26.08 ppm. Phosphorus concentrations in infant formula A, B and C with dry and wet digestion methods were respectively: sample A, namely 8.92 ppm and 12.90 ppm; sample B is 9.33 ppm and 13.43 ppm; and sample C, namely 9.62 ppm and 13.68 ppm. Based on the test results on the three samples of infant formula milk, it can be seen that the levels of calcium and phosphorus obtained through wet digestion were greater than dry digestion. The content of calcium and phosphorus in the infant formula is still within the range of food health standards.