PERFORMANCE OF A MOBILE AEROSOL SPECTROMETER FOR AN INSITU CHARACTERIZATION OF ENVIRONMENTAL AEROSOLS IN FRANKFURT CITY

被引：33

作者：

BRAND, P ^{[1
]}

RUOSS, K ^{[1
]}

GEBHART, J ^{[1
]}

机构：

[1] GSF FORSCHUNGSZENTRUM UMWELT & GESUNDHEIT,INST BIOPHYS STRAHLENFORSCH,W-6000 FRANKFURT,GERMANY

来源：

ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS | 1992年 / 26卷 / 13期

关键词：

ENVIRONMENTAL AEROSOLS; DIFFERENTIAL MOBILITY ANALYZER; LASER AEROSOL SPECTROMETER; MOBILITY DIAMETER; LIGHT SCATTERING DIAMETER; SHAPE FACTOR; PARTICLE PRODUCTION; AIR FRONT;

D O I：

10.1016/0960-1686(92)90375-U

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A mobile aerosol spectrometer (MAS) was used for in situ characterization of environmental aerosols in the size range between 10 nm and 25-mu-m. The device combines a differential mobility analyser with a laser and a white light aerosol spectrometer. Classification errors were estimated theoretically, considering the influence of the particles' refractive index and shape. Experimental intercomparison with a cascade impactor showed lower errors than predicted. A mechanism of eff or compensation is proposed to explain this discrepancy. In a 1-month field study in Frankfurt city the MAS has shown the capability of resolving fast changes in particle concentration and detecting periods of particle production.

引用

页码：2451 / 2457

页数：7

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