3-methyl-1,2,3-butanetricarboxylic acid:: An atmospheric tracer for terpene secondary organic aerosol

被引：237

作者：

Szmigielski, Rafal ^{[1
]}

Surratt, Jason D. ^{[2
]}

Gomez-Gonzalez, Yadian ^{[1
]}

Van der Veken, Pieter ^{[1
]}

Kourtchev, Ivan ^{[1
]}

Vermeylen, Reinhilde ^{[1
]}

Blockhuys, Frank ^{[3
]}

Jaoui, Mohammed ^{[4
]}

Kleindienst, Tadeusz E. ^{[5
]}

Lewandowski, Michael ^{[5
]}

Offenberg, John H. ^{[5
]}

Edney, Edward O. ^{[5
]}

Seinfeld, John H. ^{[6
,7
]}

Maenhaut, Willy ^{[8
]}

Claeys, Magda ^{[1
]}

机构：

[1] Univ Antwerp, Dept Pharmaceut Sci, BE-2610 Antwerp, Belgium

[2] CALTECH, Dept Chem, Pasadena, CA 91125 USA

[3] Univ Antwerp, Dept Chem, BE-2610 Antwerp, Belgium

[4] Alion Sci & Technol, Res Triangle Pk, NC USA

[5] US EPA, Off Res & Dev, Natl Exposure Res Lab, Res Triangle Pk, NC 27711 USA

[6] CALTECH, Dept Chem Engn, Pasadena, CA 91125 USA

[7] CALTECH, Dept Environm Sci & Engn, Pasadena, CA 91125 USA

[8] Univ Ghent, Inst Nucl Sci, Analyt Chem Lab, BE-9000 Ghent, Belgium

来源：

GEOPHYSICAL RESEARCH LETTERS | 2007年 / 34卷 / 24期

关键词：

PARTICULATE PRODUCTS; ALPHA-PINENE; OXIDATION; MONOTERPENES; PHOTOOXIDATION; FOREST; ISOPRENE; YIELDS; PM2.5; NOX;

D O I：

10.1029/2007GL031338

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Highly oxygenated compounds assigned to be oxidation products of alpha-pinene have recently been observed in substantial concentrations in ambient aerosols. Here, we confirm the unknown alpha- pinene tracer compound with molecular weight (MW) 204 as the C-8-tricarboxylic acid 3-methyl-1,2,3-butanetricarboxylic acid. Its gas and liquid chromatographic behaviors and its mass spectral characteristics in electron ionization and negative ion electrospray ionization perfectly agree with those of a synthesized reference compound. The formation of this compound is explained by further reaction of cis-pinonic acid involving participation of the OH radical. This study illustrates that complex, multi-generation chemistry holds for the photooxidation of alpha-pinene in the presence of NOx.

引用

页数：6

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