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鎇-241

鎇-241,241Am
基本
符號241Am
名稱鎇-241、Am-241
原子序95
中子數146
核素数据
半衰期432.2 年
衰变产物237Np
原子量241.056823 u
自旋5/2-
过剩能量52936.008 keV
结合能7543.272 keV
衰變模式
衰变类型衰变能量MeV
镅的同位素
完整核素表

鎇-241核廢料中最常見的同位素[1],常用於製作以電離室為設計基礎的煙霧探測器,又或作中子源使用[2]。鎇是一種可用於長壽命放射性同位素熱電機的潛在燃料。

鎇-241的來源如下:

镅-241會發生α衰變,並放出伽瑪射線作副產品。由於α衰變的低穿透度,使镅-241只會在被吞吃了或吸入了身體裡,才可能對身體構成損害。镅-241在單質钚的濃度跟單質钚最初的濃度及取樣品的時期相關:年代較久遠的钚-241樣品會有镅-241的積存。因此,當需要使用純綷的钚-241時,就要透過化學方法去移除積存在钚-241裡的镅-241。

以下為镅-241在繼續衰變後的演化過程:

參考資料

  1. ^ Argonne National Laboratory. "Americium" (PDF). EVS. 2009-12-25. (原始内容 (PDF)存档于2011-07-16). 
  2. ^ 科學特搜. ?. 2010-11-06 19:30-19:50 [2010-11-06]. (原始内容存档于2000-10-12). 
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鎇-241
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