Use of a Mixture Comprising Erbium and Praseodymium as a Radiation Attenuating Composition, Radiation Attenuating Material, and Article Providing Protection Against Ionising Radiation and Comprising Such a Composition

摘要

The invention relates to the use of a mixture comprising erbium and praseodymium as a radiation attenuating composition, i.e. as a composition that can attenuate ionising radiation, in particular X- and gamma-type electromagnetic radiation.;The invention also relates to a radiation attenuating material comprising an erbium- and praseodymium-based composition, as well as a protective article which provides group or individual protection against ionising radiation and comprises said material.;The invention is suitable for use in nuclear medicine (scintigraphy, radiotherapy, etc.), radiology, medical imaging, the nuclear industry, etc.

主权项

1. Use of a mixture comprising:
30 to 70% by mass of erbium or of a compound thereof; 20 to 50% by mass of praseodymium or of a compound thereof; and 0 to 50% by mass of bismuth or of a compound thereof;as a radiation attenuating composition.