Analysis of secondary organic aerosols in air using extractive electrospray ionization mass spectrometry (EESI-MS)

Lambert A. Doezema; Teresa Longin; William Cody; Véronique Perraud; Matthew L. Dawson; Michael J. Ezell; John Greaves; Kathleen R. Johnson; Barbara J. Finlayson-Pitts

doi:10.1039/c2ra00961g

Analysis of secondary organic aerosols in air using extractive electrospray ionization mass spectrometry (EESI-MS)

Lambert A. Doezema, Teresa Longin, William Cody, Véronique Perraud, Matthew L. Dawson, Michael J. Ezell, John Greaves, Kathleen R. Johnson, Barbara J. Finlayson-Pitts

ACOM Modeling

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Abstract

Extractive electrospray ionization mass spectrometry (EESI-MS) has been shown, in other laboratories, to be a useful technique for the analysis of aerosols from a variety of sources. EESI-MS is applied here, for the first time, to the analysis of secondary organic aerosol (SOA) formed from the reaction of ozone and α-pinene. The results are compared to those obtained using atmospheric pressure chemical ionization mass spectrometry (APCI-MS). The SOA was generated in the laboratory and merged with electrospray droplets. The recovered ions were directed towards the inlet of a triple quadrupole mass spectrometer. Through the use of a denuder to remove gas phase compounds, the EESI-MS technique was found to be effective for measuring the major ozonolysis products either in particles alone or in a combination of vapor phase and particulate products. Due to its relatively simple setup and the avoidance of sample collection and work-up, EESI-MS shows promise as an excellent tool for the characterization of atmospherically relevant particles.

Original language	English
Pages (from-to)	2930-2938
Number of pages	9
Journal	RSC Advances
Volume	2
Issue number	7
DOIs	https://doi.org/10.1039/c2ra00961g
State	Published - Apr 7 2012

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title = "Analysis of secondary organic aerosols in air using extractive electrospray ionization mass spectrometry (EESI-MS)",

abstract = "Extractive electrospray ionization mass spectrometry (EESI-MS) has been shown, in other laboratories, to be a useful technique for the analysis of aerosols from a variety of sources. EESI-MS is applied here, for the first time, to the analysis of secondary organic aerosol (SOA) formed from the reaction of ozone and α-pinene. The results are compared to those obtained using atmospheric pressure chemical ionization mass spectrometry (APCI-MS). The SOA was generated in the laboratory and merged with electrospray droplets. The recovered ions were directed towards the inlet of a triple quadrupole mass spectrometer. Through the use of a denuder to remove gas phase compounds, the EESI-MS technique was found to be effective for measuring the major ozonolysis products either in particles alone or in a combination of vapor phase and particulate products. Due to its relatively simple setup and the avoidance of sample collection and work-up, EESI-MS shows promise as an excellent tool for the characterization of atmospherically relevant particles.",

author = "Doezema, \{Lambert A.\} and Teresa Longin and William Cody and V{\'e}ronique Perraud and Dawson, \{Matthew L.\} and Ezell, \{Michael J.\} and John Greaves and Johnson, \{Kathleen R.\} and Finlayson-Pitts, \{Barbara J.\}",

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doi = "10.1039/c2ra00961g",

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T1 - Analysis of secondary organic aerosols in air using extractive electrospray ionization mass spectrometry (EESI-MS)

AU - Doezema, Lambert A.

AU - Longin, Teresa

AU - Cody, William

AU - Perraud, Véronique

AU - Dawson, Matthew L.

AU - Ezell, Michael J.

AU - Greaves, John

AU - Johnson, Kathleen R.

AU - Finlayson-Pitts, Barbara J.

PY - 2012/4/7

Y1 - 2012/4/7

N2 - Extractive electrospray ionization mass spectrometry (EESI-MS) has been shown, in other laboratories, to be a useful technique for the analysis of aerosols from a variety of sources. EESI-MS is applied here, for the first time, to the analysis of secondary organic aerosol (SOA) formed from the reaction of ozone and α-pinene. The results are compared to those obtained using atmospheric pressure chemical ionization mass spectrometry (APCI-MS). The SOA was generated in the laboratory and merged with electrospray droplets. The recovered ions were directed towards the inlet of a triple quadrupole mass spectrometer. Through the use of a denuder to remove gas phase compounds, the EESI-MS technique was found to be effective for measuring the major ozonolysis products either in particles alone or in a combination of vapor phase and particulate products. Due to its relatively simple setup and the avoidance of sample collection and work-up, EESI-MS shows promise as an excellent tool for the characterization of atmospherically relevant particles.

AB - Extractive electrospray ionization mass spectrometry (EESI-MS) has been shown, in other laboratories, to be a useful technique for the analysis of aerosols from a variety of sources. EESI-MS is applied here, for the first time, to the analysis of secondary organic aerosol (SOA) formed from the reaction of ozone and α-pinene. The results are compared to those obtained using atmospheric pressure chemical ionization mass spectrometry (APCI-MS). The SOA was generated in the laboratory and merged with electrospray droplets. The recovered ions were directed towards the inlet of a triple quadrupole mass spectrometer. Through the use of a denuder to remove gas phase compounds, the EESI-MS technique was found to be effective for measuring the major ozonolysis products either in particles alone or in a combination of vapor phase and particulate products. Due to its relatively simple setup and the avoidance of sample collection and work-up, EESI-MS shows promise as an excellent tool for the characterization of atmospherically relevant particles.

UR - https://www.scopus.com/pages/publications/84859133288

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DO - 10.1039/c2ra00961g

M3 - Article

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SN - 2046-2069

VL - 2

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EP - 2938

JO - RSC Advances

JF - RSC Advances

IS - 7

ER -

Analysis of secondary organic aerosols in air using extractive electrospray ionization mass spectrometry (EESI-MS)

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