Molecular Steps of Neutral Sulfuric Acid and Dimethylamine Nucleation in CLOUD

被引：1

作者：

Jokinen, Tuija ^{[1
]}

Sarnela, Nina ^{[1
]}

Sipila, Mikko ^{[1
]}

Junninen, Heikki ^{[1
]}

Lehtipalo, Katrianne ^{[1
]}

Duplissy, Jonathan ^{[1
]}

机构：

[1] Univ Helsinki, Dept Phys, FIN-00014 Helsinki, Finland

来源：

NUCLEATION AND ATMOSPHERIC AEROSOLS | 2013年 / 1527卷

关键词：

Sulfuric Acid; Mass Spectrometry; Chemical Ionization; Nucleation;

D O I：

10.1063/1.4803263

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have run a set of experiments in the CLOUD chamber at CERN, Switzerland, studying the effect of dimethylamine (DMA) on sulfuric acid (SA)-water nucleation using a nitrate based Chemical Ionization Atmospheric Pressure ionization Time-Of-Flight Mass Spectrometer (CI-APi-TOF). Experiment was designed to produce neutral high m/z SA-DMA clusters in close to atmospherically relevant conditions to be detected and characterized by the CI-APi-TOF. We aimed in filling up the gap in measurement techniques from molecular level up to climatically relevant aerosol particles and thus improve our understanding of the role of sulfuric acid and DMA in atmospheric nucleation.

引用

页码：302 / 305

页数：4

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