A production medical isotope 225 AC method and device
An isotope and medical technology, applied in the field of methods and devices for producing medical isotope 225Ac, can solve the problems of complex process and high cost, and achieve the effects of low cost, low investment and high purity
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[0047] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0048] The invention utilizes high-energy electron beam to irradiate bremsstrahlung conversion target to generate enough X-ray photon beam, and utilizes X-ray photon beam to irradiate 226 Ra sample target; after standing for 18 days, irradiated 225 Ra via beta - decay into a certain amount 225 Ac, again 226 The Ra sample target is chemically dissolved and separated 225 Ac.
[0049] The photonuclear reaction cross section is generally small, but a wide (3-7MeV) giant dipole resonance (GDR) appears in the energy range of 10-25MeV. 226 The photonuclear reaction of Ra will have a relatively high photonuclear reaction cross section, such as image 3 , 226 Ra(γ,n) 225 The photonuclear reaction cross section of Ra is ~290mb. The threshold energy is 6.2MeV and the peak cross-section energy is 12MeV.
[0050] Apart from 226 Ra(γ,n) 225 Ra reac...
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