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Laser microprobe mass analysis of individual North Sea aerosol particles

Article Abstract:

Aerosol particle samples taken from over the North Sea were analyzed using laser microprobe mass analysis (LAMMA) to determine if the sources of individual particles were natural or man-made. LAMMA is more labor-intensive than electron probe X-ray microanalysis (EPXMA), but can detect smaller concentrations of trace elements. 6000 particles from various altitudes over the southern corner of the North Sea were analyzed. Methodology, results and conclusions are presented.

Pollution, Lasers, Sea air

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Characterization of individual giant aerosol particles above the North Sea

Article Abstract:

Analysis of samples of giant aerosol particles taken over the North Sea shows the source of these particles to be aluminosilicates, combustion processes, industrial processes and marine sources. The samples were collected by an aircraft flying at various altitudes over the southern corner of the North Sea. 12,500 samples were analysed using electron probe X-ray microanalysis.

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Identification of individual aerosol particles containing Cr, Pb, and Zn above the North Sea

Article Abstract:

Individual aerosol particles in samples collected over the North Sea were analyzed using x-ray electron probe microanalysis. Some 45,000 individual particles were studied and approximately 45,000 of these contained substantial concentrations of one or more of the heavy metals Cr, Pb and Zn. There were significant differences in abundances detected in the North Sea aerosol.

Heavy metals

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