Negative chemiions formed in jet fuel combustion: new insights from jet engine and laboratory measurements using a quadrupole ion trap mass spectrometer apparatus

被引：23

作者：

Kiendler, A ^{[1
]}

Aberle, S ^{[1
]}

Arnold, F ^{[1
]}

机构：

[1] Max Planck Inst Nucl Phys, Atmospher Phys Div, Heidelberg, Germany

来源：

ATMOSPHERIC ENVIRONMENT | 2000年 / 34卷 / 16期

关键词：

negative chemiions; combustion; ONC ions;

D O I：

10.1016/S1352-2310(99)00475-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Measurements were made of mass numbers and composition of negative chemiions produced in jet Fuel combustion in the exhaust of a jet engine and of a burner in the laboratory. The measurements made by a novel quadrupole ion trap mass spectrometer apparatus revealed the presence of three major ion families: ions containing an HSO4- "core" or an NO3- "core", and "OHC-ions". The latter which contain C and H atoms and in part also O atoms can be divided into two subfamilies with even and odd mass numbers. It is proposed that the OHC ions are formed by free-electron attachment to HC and OHC molecules and/or ion-molecule reactions of primary negative chemiions with HC and OHC molecules. It is also proposed that HSO4-- and NO3--containing ions are formed by ion-molecule reactions involving OHC ions and the sulfur- and reactive nitrogen-containing molecules H2SO4, SO3 and NO, NO2, HNO2, HNO3. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：2623 / 2632

页数：10

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