Rayspec - X-ray Transition Energies Mobile App

An invaluable tool for all x-ray spectroscopists. Select an element and see both physical properties and the characteristic x-ray line energies. For those with an unidentified peak in their x-ray spectrum, or if you just want to know what other lines might be close to an energy of interest, the reverse look-up option provides a list of the closest known x-ray energies. Available for iOS and Android devices – just use the links provided below.