Chemical ionization of clusters formed from sulfuric acid and dimethylamine
or diamines

Jen, Coty N.; Zhao, Jun; McMurry, Peter H.; Hanson, David R.

doi:10.5194/acp-16-12513-2016

Articles | Volume 16, issue 19

https://doi.org/10.5194/acp-16-12513-2016

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

https://doi.org/10.5194/acp-16-12513-2016

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

Articles | Volume 16, issue 19

Research article

|

07 Oct 2016

Research article |

| 07 Oct 2016

Chemical ionization of clusters formed from sulfuric acid and dimethylamine or diamines

Coty N. Jen, Jun Zhao, Peter H. McMurry, and David R. Hanson

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Dec 2016	10	15	0	25
Jan 2017	18	29	1	48
Feb 2017	18	22	0	40
Mar 2017	23	32	2	57
Apr 2017	24	42	0	66
May 2017	26	9	2	37
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Aug 2017	16	11	1	28
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Nov 2017	15	10	0	25
Dec 2017	7	6	0	13
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Jan 2025	22	8	6	36
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Mar 2025	13	6	2	21
Apr 2025	21	14	5	40
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Jun 2025	53	12	3	68
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Aug 2025	38	43	0	81
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Oct 2025	28	34	0	62
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Cumulative views and downloads (calculated since 01 Jul 2016)

Month	HTML	PDF	XML	Total
Jul 2016	72	30	3	105
Aug 2016	10	2	1	13
Sep 2016	5	0	5
Oct 2016	143	45	6	194
Nov 2016	10	15	5	30
Dec 2016	10	15	0	25
Jan 2017	18	29	1	48
Feb 2017	18	22	0	40
Mar 2017	23	32	2	57
Apr 2017	24	42	0	66
May 2017	26	9	2	37
Jun 2017	18	4	2	24
Jul 2017	22	12	0	34
Aug 2017	16	11	1	28
Sep 2017	8	11	0	19
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Nov 2017	15	10	0	25
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Aug 2018	13	4	1	18
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Oct 2018	13	12	3	28
Nov 2018	9	13	2	24
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Feb 2023	12	6	0	18
Mar 2023	9	8	0	17
Apr 2023	5	1	0	6
May 2023	27	5	0	32
Jun 2023	39	2	1	42
Jul 2023	32	4	0	36
Aug 2023	39	7	2	48
Sep 2023	42	3	0	45
Oct 2023	45	7	1	53
Nov 2023	35	1	36
Dec 2023	43	15	3	61
Jan 2024	41	5	0	46
Feb 2024	38	9	0	47
Mar 2024	39	11	2	52
Apr 2024	42	8	7	57
May 2024	13	12	1	26
Jun 2024	36	11	2	49
Jul 2024	21	4	5	30
Aug 2024	18	9	1	28
Sep 2024	23	5	0	28
Oct 2024	18	7	0	25
Nov 2024	14	1	2	17
Dec 2024	17	2	0	19
Jan 2025	22	8	6	36
Feb 2025	16	8	3	27
Mar 2025	13	6	2	21
Apr 2025	21	14	5	40
May 2025	20	11	0	31
Jun 2025	53	12	3	68
Jul 2025	42	14	1	57
Aug 2025	38	43	0	81
Sep 2025	27	16	1	44
Oct 2025	28	34	0	62
Nov 2025	28	9	3	40

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Short summary

Chemical ionization mass spectrometry measurements of clusters formed from sulfuric acid and dimethylamine or various diamines show that these clusters are not as efficiently ionized by nitrate as they are by acetate. These clusters are atmospherically relevant, and our results suggest that traditional methods may under-measure cluster concentrations by up to a factor of 10.