... 26.5%(Dihydrate)Arsenic, ≤mg/kg31Lead, ≤mg/kg21Cadmium, ≤mg/kg--1Mercury, ≤mg/kg--1Aluminium, ≤mg/kg--≤100 mg/kg (anhydrous) and ≤ 80 mg/kg (dihydrate) (only ... to food for infants and young children) ≤600 mg/kg (anhydrous) and ≤500 mg/kg (dihydrate) (for all uses except food for ... infants and young children). This applies until 31 March 2015. ≤200 mg/ ...