This European Standard specifies a method for the detection of meat containing bone and fish containing bone,which have been treated with ionizing radiation,by analysing the electron spin resonance (ESR)spectrum (also called the electron paramagtetic resonance (EPR) spectivm) of the bones.
EN 1786:1996 history
1996EN 1786:1996 Foodstuffs - Detection of irradiated food containing bone - Method by ESR spectroscopy