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Template:Infobox actinium isotopes

主要的锕同位素
同位素 衰變
丰度 半衰期 (t1/2) 方式 能量
（MeV） 		產物
225Ac 痕量 9.9190 天 α 5.935 221Fr
CD 30.476 211Bi
226Ac 人造 29.37 小時 β− 1.112 226Th
ε 0.642 226Ra
α 5.506 222Fr
227Ac 痕量 21.772 年 β− 0.045 227Th
α 5.042 223Fr
228Ac 痕量 6.15 小时 β− 2.124 228Th
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Template:Infobox actinium isotopes
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