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Synthesis of technetium‐99 (99Tc; t1/2: 2.1 × 105 years, βmax: 253 keV) materials is of importance in studies of the nuclear fuel cycle where Tc is a major fission product (6 % thermal yield from 235U and 239Pu), in understanding radioactive tank waste composition, and in identifying 99mTc compounds for nuclear medicine imaging. One of the most useful synthetic starting materials, (NBu4)TcOCl4, is...
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