ion55Parent 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 steelIon55. Daftar Situs Slot Terbaik; Doa Mencari Barang Hilang Rumi; Situs Togel Tahun 2000; Makna Dari Puisi Perahu Kertas Karya Sapardi Djoko Damono; Jalan Pemuda