Spectrum isotopes library

U + Ra-226

Natural uranium
α, β, γ radiation

Main emission lines: 186keV, 242keV, 395keV, 351keV, 609keV, 1120keV, 1760keV, 2200keV

Where detected

In natural uranium (uranium and radium are in equilibrium), radium dominates the spectrum. At the beginning of the spectrum, the lines are broader because of the merging X-ray lines of uranium and radium. It is found in minerals, building materials (often granite), and some foods (e.g. Brazil nuts).