1.中国科学院上海应用物理研究所嘉定园区 上海 201800
2.中国科学院大学 北京 100049
3.上海科技大学 上海 201200
[ "马玉华, 女, 1991年出生, 2012年毕业于山东大学, 现为博士研究生, 从事加速器质谱测氚的研究, 核技术及应用专业, E-mail:mayuhua@sinap.ac.cn", "MA Yuhua (female) was born in 1991, and graduated from Shandong University in 2012. Now she is a Ph.D. candidate majoring in nuclear techniques and application, E-mail:mayuhua@sinap.ac.cn" ]
刘卫, 博士, 研究员, E-mail:liuwei@sinap.ac.cnPh.D. LIU Wei, professor, E-mail:liuwei@sinap.ac.cn
李燕, 博士, 研究员, E-mail:liyan@sinap.ac.cnPh.D. LI Yan, professor, E-mail:liyan@sinap.ac.cn
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马玉华, 曾友石, 刘卫, 等. 加速器质谱测氚及其应用[J]. 辐射研究与辐射工艺学报, 2017,35(6):060101-7.
Yuhua MA, Youshi ZENG, Wei LIU, et al. Tritium measurement using accelerator mass spectrometry and its application[J]. Journal of Radiation Research and Radiation Processing, 2017,35(6):060101-7.
马玉华, 曾友石, 刘卫, 等. 加速器质谱测氚及其应用[J]. 辐射研究与辐射工艺学报, 2017,35(6):060101-7. DOI: 10.11889/j.1000-3436.2017.rrj.35.060101.
Yuhua MA, Youshi ZENG, Wei LIU, et al. Tritium measurement using accelerator mass spectrometry and its application[J]. Journal of Radiation Research and Radiation Processing, 2017,35(6):060101-7. DOI: 10.11889/j.1000-3436.2017.rrj.35.060101.
氚是环境中的主要放射性核素之一,对氚进行准确高效的监测是十分有必要的。目前常用的液体闪烁计数法所需的样品量较大,测量时间较长,不能对微量样品进行高精度测量。加速器质谱具有测量样品小、测量精度高和测量时间短的特点,能够更好地满足环境氚监测的需求,可以广泛应用于地球与环境科学、生物医学和辐射监测等方面。文中介绍了加速器质谱测氚的基本原理和发展历史、制样方法,对加速器质谱测氚的已有研究成果和主要应用进行了总结和展望。
The demand for accurate and efficient tritium monitoring is growing rapidly as tritium has become one of the major radionuclides in the environment. Conventional methods based on liquid scintillation counting require long measurement time and tens of grams to kilograms of sample material, which limits the high-precision measurement of small-sized samples. To rapidly determine tritium concentrations from milligrams of sample material and therefore enable the accurate and efficient measurement of small-size environmental samples, accelerator mass spectrometry (AMS) is used for tritium determination. Hence, AMS tritium measurement is widely used in earth science, biomedicine, and radiation monitoring. In this paper, the basic principles and development history of tritium measurement by accelerator mass spectrometry are reviewed, and the preparation methods for tritium samples are introduced. The key researches and main applications of tritium measurement using accelerator mass spectrometry are also summarized, with a view on future developments in this area.
加速器质谱氚有机结合氚
Accelerator mass spectrometryTritiumOrganically bond tritium
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