ion55WOW EXPERIENCE !! Visited Jurassic World Cafe @ ION Orchard located on Level 55. Reservation is required at Level 4 and staff gave a leaflet on E-menu for special order itemsParent Nuclides. Direct parent isotope is: 55 Co. Formation. 55 Fe can be artificially produced by neutron irradiation of stable iron isotopes: 54 Fe(n,γ) 55 Fe or 56 Fe(n,2n) 55 Fe. Accordingly, iron-containing components such as steel