A Feasibility Study of the Use of Electrostatic Deposition and Laser Induced Fluorescence in a Graphite Furnace for Size-Segregated Analysis of Lead and Gold in Ultrafine (0.02-0.2um) Particles
The feasibility of determining lead in size-segregated ultrafine aerosols by Laser-Induced Fluorescence (LIF) after deposition of the iso-mobility aerosol in a graphite furnace has been studied. The size-segregated analysis of the lead content in a test aerosol in the range 0.018-0.104 u.m. was performed. Polydisperse lead concentrations in atmospheric ultrafine aerosols were measured to be between 2.38 and 35.8 ng m3. The mass fraction of Pb in the atmospheric particulate was calculated to be 4.81x10(3). Finally, size-segregated analysis times range from several minutes for the case of Pb in an urban aerosol to many days for Au in average background aerosols.
PETRUCCI Giuseppe;
CAVALLI Paolo;
OMENETTO Nicolo';
1997-03-17
JRC14580
https://publications.jrc.ec.europa.eu/repository/handle/JRC14580,
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