DS EN 15621:2012 Animal Feeding Stuffs - Determination Of Calcium, Sodium, Phosphorus, Magnesium, Potassium, Sulphur, Iron, Zinc, Copper, Manganese And Cobalt After Pressure Digestion By Icp-Aes Defines a method for the determination of the minerals calcium, sodium, phosphorus, magnesium, potassium and sulphur and the elements iron, zinc, copper, manganese, cobalt in animal feeding stuffs by