The effect of particle acidity on secondary organic aerosol formation from <i>α</i>-pinene photooxidation under atmospherically relevant conditions

Han, Yuemei; Stroud, Craig A.; Liggio, John; Li, Shao-Meng

doi:10.5194/acp-16-13929-2016

Articles | Volume 16, issue 21

https://doi.org/10.5194/acp-16-13929-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-13929-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 21

Research article

|

11 Nov 2016

Research article |

| 11 Nov 2016

The effect of particle acidity on secondary organic aerosol formation from α-pinene photooxidation under atmospherically relevant conditions

Yuemei Han, Craig A. Stroud, John Liggio, and Shao-Meng Li

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Month	HTML	PDF	XML	Total
Apr 2016	158	80	0	238
May 2016	17	10	0	27
Jun 2016	19	8	3	30
Jul 2016	14	6	0	20
Aug 2016	9	3	2	14
Sep 2016	12	7	1	20
Oct 2016	10	8	4	22
Nov 2016	174	63	6	243
Dec 2016	28	24	1	53
Jan 2017	24	15	1	40
Feb 2017	16	11	1	28
Mar 2017	24	18	1	43
Apr 2017	26	17	3	46
May 2017	31	37	0	68
Jun 2017	20	12	2	34
Jul 2017	20	21	0	41
Aug 2017	13	16	0	29
Sep 2017	26	30	0	56
Oct 2017	14	16	0	30
Nov 2017	15	13	0	28
Dec 2017	11	18	0	29
Jan 2018	8	10	1	19
Feb 2018	12	10	0	22
Mar 2018	10	9	0	19
Apr 2018	13	12	0	25
May 2018	13	14	0	27
Jun 2018	7	7	3	17
Jul 2018	3	3	2	8
Aug 2018	18	13	1	32
Sep 2018	9	8	0	17
Oct 2018	13	16	1	30
Nov 2018	12	11	2	25
Dec 2018	10	9	2	21
Jan 2019	7	5	1	13
Feb 2019	7	9	0	16
Mar 2019	10	8	0	18
Apr 2019	15	10	1	26
May 2019	6	14	2	22
Jun 2019	11	10	0	21
Jul 2019	11	7	0	18
Aug 2019	10	10	0	20
Sep 2019	7	3	0	10
Oct 2019	4	6	1	11
Nov 2019	10	4	0	14
Dec 2019	6	7	1	14
Jan 2020	11	4	0	15
Feb 2020	6	2	8
Mar 2020	7	2	0	9
Apr 2020	4	3	0	7
May 2020	6	9	0	15
Jun 2020	17	13	0	30
Jul 2020	20	15	6	41
Aug 2020	11	12	3	26
Sep 2020	15	7	0	22
Oct 2020	5	1	1	7
Nov 2020	6	5	2	13
Dec 2020	12	11	0	23
Jan 2021	15	11	0	26
Feb 2021	13	10	1	24
Mar 2021	14	11	1	26
Apr 2021	7	9	0	16
May 2021	10	14	1	25
Jun 2021	11	10	0	21
Jul 2021	4	10	0	14
Aug 2021	9	9	0	18
Sep 2021	37	19	2	58
Oct 2021	11	39	0	50
Nov 2021	16	25	0	41
Dec 2021	18	7	1	26
Jan 2022	14	11	0	25
Feb 2022	9	8	1	18
Mar 2022	11	11	2	24
Apr 2022	10	4	1	15
May 2022	13	12	0	25
Jun 2022	6	6	0	12
Jul 2022	8	8	0	16
Aug 2022	11	1	0	12
Sep 2022	14	3	0	17
Oct 2022	14	4	0	18
Nov 2022	9	12	0	21
Dec 2022	10	5	0	15
Jan 2023	24	14	1	39
Feb 2023	20	5	1	26
Mar 2023	17	11	0	28
Apr 2023	12	7	0	19
May 2023	29	4	0	33
Jun 2023	38	7	1	46
Jul 2023	38	15	1	54
Aug 2023	42	8	2	52
Sep 2023	45	10	2	57
Oct 2023	61	9	2	72
Nov 2023	37	2	1	40
Dec 2023	56	6	2	64
Jan 2024	50	4	1	55
Feb 2024	43	9	2	54
Mar 2024	45	11	1	57
Apr 2024	53	14	5	72
May 2024	20	14	2	36
Jun 2024	28	11	1	40
Jul 2024	24	8	4	36
Aug 2024	19	9	3	31
Sep 2024	17	6	0	23
Oct 2024	18	12	0	30
Nov 2024	19	7	4	30
Dec 2024	11	4	0	15
Jan 2025	18	4	1	23
Feb 2025	37	7	4	48
Mar 2025	23	19	4	46
Apr 2025	15	19	0	34
May 2025	27	7	0	34
Jun 2025	84	10	11	105
Jul 2025	33	10	3	46
Aug 2025	39	18	1	58
Sep 2025	39	12	3	54
Oct 2025	20	31	3	54
Nov 2025	40	33	12	85
Dec 2025	31	28	1	60
Jan 2026	51	17	8	76
Feb 2026	11	6	2	19

Cumulative views and downloads (calculated since 11 Apr 2016)

Month	HTML	PDF	XML	Total
Apr 2016	158	80	0	238
May 2016	17	10	0	27
Jun 2016	19	8	3	30
Jul 2016	14	6	0	20
Aug 2016	9	3	2	14
Sep 2016	12	7	1	20
Oct 2016	10	8	4	22
Nov 2016	174	63	6	243
Dec 2016	28	24	1	53
Jan 2017	24	15	1	40
Feb 2017	16	11	1	28
Mar 2017	24	18	1	43
Apr 2017	26	17	3	46
May 2017	31	37	0	68
Jun 2017	20	12	2	34
Jul 2017	20	21	0	41
Aug 2017	13	16	0	29
Sep 2017	26	30	0	56
Oct 2017	14	16	0	30
Nov 2017	15	13	0	28
Dec 2017	11	18	0	29
Jan 2018	8	10	1	19
Feb 2018	12	10	0	22
Mar 2018	10	9	0	19
Apr 2018	13	12	0	25
May 2018	13	14	0	27
Jun 2018	7	7	3	17
Jul 2018	3	3	2	8
Aug 2018	18	13	1	32
Sep 2018	9	8	0	17
Oct 2018	13	16	1	30
Nov 2018	12	11	2	25
Dec 2018	10	9	2	21
Jan 2019	7	5	1	13
Feb 2019	7	9	0	16
Mar 2019	10	8	0	18
Apr 2019	15	10	1	26
May 2019	6	14	2	22
Jun 2019	11	10	0	21
Jul 2019	11	7	0	18
Aug 2019	10	10	0	20
Sep 2019	7	3	0	10
Oct 2019	4	6	1	11
Nov 2019	10	4	0	14
Dec 2019	6	7	1	14
Jan 2020	11	4	0	15
Feb 2020	6	2	8
Mar 2020	7	2	0	9
Apr 2020	4	3	0	7
May 2020	6	9	0	15
Jun 2020	17	13	0	30
Jul 2020	20	15	6	41
Aug 2020	11	12	3	26
Sep 2020	15	7	0	22
Oct 2020	5	1	1	7
Nov 2020	6	5	2	13
Dec 2020	12	11	0	23
Jan 2021	15	11	0	26
Feb 2021	13	10	1	24
Mar 2021	14	11	1	26
Apr 2021	7	9	0	16
May 2021	10	14	1	25
Jun 2021	11	10	0	21
Jul 2021	4	10	0	14
Aug 2021	9	9	0	18
Sep 2021	37	19	2	58
Oct 2021	11	39	0	50
Nov 2021	16	25	0	41
Dec 2021	18	7	1	26
Jan 2022	14	11	0	25
Feb 2022	9	8	1	18
Mar 2022	11	11	2	24
Apr 2022	10	4	1	15
May 2022	13	12	0	25
Jun 2022	6	6	0	12
Jul 2022	8	8	0	16
Aug 2022	11	1	0	12
Sep 2022	14	3	0	17
Oct 2022	14	4	0	18
Nov 2022	9	12	0	21
Dec 2022	10	5	0	15
Jan 2023	24	14	1	39
Feb 2023	20	5	1	26
Mar 2023	17	11	0	28
Apr 2023	12	7	0	19
May 2023	29	4	0	33
Jun 2023	38	7	1	46
Jul 2023	38	15	1	54
Aug 2023	42	8	2	52
Sep 2023	45	10	2	57
Oct 2023	61	9	2	72
Nov 2023	37	2	1	40
Dec 2023	56	6	2	64
Jan 2024	50	4	1	55
Feb 2024	43	9	2	54
Mar 2024	45	11	1	57
Apr 2024	53	14	5	72
May 2024	20	14	2	36
Jun 2024	28	11	1	40
Jul 2024	24	8	4	36
Aug 2024	19	9	3	31
Sep 2024	17	6	0	23
Oct 2024	18	12	0	30
Nov 2024	19	7	4	30
Dec 2024	11	4	0	15
Jan 2025	18	4	1	23
Feb 2025	37	7	4	48
Mar 2025	23	19	4	46
Apr 2025	15	19	0	34
May 2025	27	7	0	34
Jun 2025	84	10	11	105
Jul 2025	33	10	3	46
Aug 2025	39	18	1	58
Sep 2025	39	12	3	54
Oct 2025	20	31	3	54
Nov 2025	40	33	12	85
Dec 2025	31	28	1	60
Jan 2026	51	17	8	76
Feb 2026	11	6	2	19

Latest update: 11 Feb 2026

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Short summary

This study investigates the acidity effect on the yield and chemical composition of α-pinene secondary organic aerosol based on a series of laboratory experiments performed using a photochemical reaction chamber under high- and low-NO_x conditions. We have found that the acidity effect largely depends on NO_x level and the inorganic acidity has a significant role to play in determining various organic aerosol chemical properties such as mass yields, oxidation state, and organic nitrate content.