Articles | Volume 23, issue 13
https://doi.org/10.5194/acp-23-7495-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-7495-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Technical note
| 
11 Jul 2023
Technical note |
| 11 Jul 2023
| 11 Jul 2023
Technical note: Intercomparison study of the elemental carbon radiocarbon analysis methods using synthetic known samples
Xiangyun Zhang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
Sanyuan Zhu
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
Junwen Liu
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Ping Ding
State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Shutao Gao
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
Chongguo Tian
Key Laboratory of Coastal Environmental Processes and Ecological
Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of
Sciences, Yantai 264003, China
Yingjun Chen
Department of Environmental Science and Engineering, Fudan
University, Shanghai 200438, China
Ping'an Peng
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
Gan Zhang
CORRESPONDING AUTHOR
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Province Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
China
Guangdong–Hong Kong–Macau Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, China
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Latest update: 23 Nov 2025
Short summary
The results show that 14C elemental carbon (EC) was not only related to the isolation method but also to the types and proportions of the biomass sources in the sample. The hydropyrolysis (Hypy) method, which can be used to isolate a highly stable portion of ECHypy and avoid charring, is a more effective and stable approach for the matrix-independent 14C quantification of EC in aerosols, and the 13C–ECHypy and non-fossil ECHypy values of SRM1649b were –24.9 ‰ and 11 %, respectively.
The results show that 14C elemental carbon (EC) was not only related to the isolation method but...
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