CHARACTERIZATION OF INDIVIDUAL ATMOSPHERIC PARTICLES BY ELEMENT MAPPING IN ELECTRON-PROBE MICROANALYSIS

Citation
S. Weinbruch et al., CHARACTERIZATION OF INDIVIDUAL ATMOSPHERIC PARTICLES BY ELEMENT MAPPING IN ELECTRON-PROBE MICROANALYSIS, Mikrochimica acta, 125(1-4), 1997, pp. 137-141
Citations number
18
Categorie Soggetti
Chemistry Analytical
Journal title
ISSN journal
00263672
Volume
125
Issue
1-4
Year of publication
1997
Pages
137 - 141
Database
ISI
SICI code
0026-3672(1997)125:1-4<137:COIAPB>2.0.ZU;2-D
Abstract
In this paper procedures for the characterization of individual aeroso l particles by element mapping in the electron microprobe are presente d. The number, size and qualitative chemical composition of particles is derived from a combination of secondary or backscattered electron i mages and element distribution maps. Accuracy of the size distribution and reliability of the qualitative analysis procedure were checked wi th silicate samples. In order to obtain a semi-quantitative estimate o f the chemical composition of individual particles the count rates tak en from element distribution maps are corrected for matrix and geometr ic effects using particle ZAF procedures.