ISO 15151 I IDF 229: 2018 - Milk, milk products, infant formula and adult nutritionals — Determination of minerals and trace elements - Inductively coupled plasma atomic emission spectrometry (ICP-AES) methodThis document specifies a method for the quantitative determination of calcium (Ca), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), phosphorus (P), potassium (K), sodium (Na) and zinc (Zn) using inductively coupled plasma atomic emission spectrometry (ICP AES). The method is applicable for milk, dried milk, butter, cheese, whey, dried whey, infant formula and adult nutritional formula in the ranges given in a table.