Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.
核能.核燃料循环技术.分子吸收分光光度法测定硝酸溶液中的镎Nuclear energy.
Neptunium 237
英语例句库
中文百科
镎的同位素 Isotopes of neptunium
（重定向自Neptunium 237）
镎的同位素
备注：画上#号的数据代表没有经过实验的证明，只是理论推测而已，而用括号括起来的代表数据不确定性。
英语百科
Isotopes of neptunium 錼的同位素
（重定向自Neptunium 237）
![Neptunium-237 decay scheme (simplified)](/Images/godic/202501/29/Neptunium-237-decay-scheme-simplified.svg2229.png")
Neptunium (Np) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first isotope to be synthesized was Np in 1940, produced by bombarding U with neutrons to produce U, which then underwent beta decay to Np.
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