大气14CO2的加速器质谱分析技术研究进展

利用加速器质谱技术测定大气¹⁴CO₂以示踪大气化石源CO₂成为当前减污降碳工作的热点。该文从加速器质谱¹⁴C分析基础出发,系统介绍了加速器质谱的工作原理、大气样品的采集及纯化、石墨化样品的制备和测定,阐述了大气碳监测领域14 CO₂测试的研究进展。随着加速器质谱技术的不断发展,大气¹⁴CO₂的研究将会更加广泛和深入,有助于进一步认识大气化石源CO₂的来源,更有针对性地开展减污降碳工作。未来应统一制定¹⁴CO₂监测方法标准,规范操作流程和质控手段,完善实验仪器配套设施,加快提升监测能力和水平。

Research Progress on Accelerator Mass Spectrometry Analysis of Atmospheric 14CO2

Atmospheric ¹⁴CO₂ monitoring by accelerator mass spectrometry technology for the tracing of atmospheric fossil fuel CO₂ has become a research hotspot for reduction of pollution and carbon emissions. Starting from the fundamental of ¹⁴C analysis by accelerator mass spectrometry,this paper systematically introduces the working principle of AMS,the collection and purification of atmospheric samples,the preparation and determination of graphitized samples,and elaborates the progress of ¹⁴CO₂ measurement in the field of atmospheric carbon monitoring. With the continuous development of accelerator mass spectrometry technology,the research on atmospheric ¹⁴CO₂ will be more extensive and in-depth, which will help to further understand the source of atmospheric fossil fuel CO₂ and carry out more targeted reduction of pollution and carbon emissions work. In the future,¹⁴CO₂ monitoring standards should be uniformly formulated,operating procedures and quality control methods should be standardized, supporting facilities for experimental instruments should be improved, and monitoring capabilities and levels should be accelerated.