光谱分析方法在同位素检测中的研究和应用进展

董俊航^1,², 朱振利^1,^2,^*, 丁涵清^1,², 邢鹏举¹, 周飞杨^1,², 郑洪涛², 刘星¹

Research Progress of Isotope Analysis Method Based on Optical Spectroscopy

DONG Jun-hang^1,², ZHU Zhen-li^1,^2,^*, DING Han-qing^1,², XING Peng-ju¹, ZHOU Fei-yang^1,², ZHENG Hong-tao², LIU Xing¹

AlCl (1:1, ³⁵Cl/³⁷Cl溶液摩尔比)在波长: (a) 261.418 nm; (b) 261.695 nm; (c) 261.819 nm; (d) 262.238 nm; (e) 262.697 nm; (f) 263.216 nm; (g) 263.807 nm; (h) 264.490 nm处的光谱谱图是在400 ng Cl, 10 mg Al和20 mg Pd的条件下获取。而B展示了两个不同同位素组成样品的光谱: 黑色为CRM NIST 975a 400 ng Cl (³⁵Cl, 75.774%), 红色为CRM AE642 400 ng Cl (³⁷Cl, 98.122%)^{[ 53 ]}