Speciated measurement of bicyclic peroxy  radicals via iodide-CIMS and its implication on OH-initiated aromatic oxidation

Liu, Yi; Li, Xin; Liu, Ying; He, Shuyu; Qiu, Yuqing; Song, Mengdi; Ye, Jiarong; Lou, Shengrong; Lu, Sihua; Zeng, Limin; Zhang, Yuanhang

doi:10.5194/acp-25-15819-2025

Articles | Volume 25, issue 22

https://doi.org/10.5194/acp-25-15819-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-25-15819-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 22

Research article

|

18 Nov 2025

Research article |

| 18 Nov 2025

Speciated measurement of bicyclic peroxy radicals via iodide-CIMS and its implication on OH-initiated aromatic oxidation

Yi Liu, Xin Li, Ying Liu, Shuyu He, Yuqing Qiu, Mengdi Song, Jiarong Ye, Shengrong Lou, Sihua Lu, Limin Zeng, and Yuanhang Zhang

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Cumulative views and downloads (calculated since 07 Jul 2025)

Month	HTML	PDF	XML	Total
Jul 2025	274	54	24	352
Aug 2025	290	24	0	314
Sep 2025	1,142	38	24	1,204
Oct 2025	106	36	2	144
Nov 2025	386	85	16	487
Dec 2025	179	88	31	298
Jan 2026	175	127	20	322
Feb 2026	94	74	10	178
Mar 2026	111	112	10	233
Apr 2026	115	82	11	208
May 2026	69	27	4	100
Jun 2026	10	5	3	18

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Short summary

We developed a method for speciated and quantitative measurement of peroxy radicals formed during the breakdown of aromatic hydrocarbons. These measurements revealed missing reaction pathways in current chemical mechanisms. Our findings help improve predictions of air quality and deepen understanding of chemical processes in the atmosphere.