Heinz Fissan 1,2, Heinz Kaminski1, Christof Asbach1, David Pui3, Jing Wang4,5

  • 1 Institute of Energy and Environmental Technology (IUTA) e. V., Duisburg, Germany
  • 2 Center for Nanointegration Duisburg-Essen (CENIDE), Duisburg, Germany
  • 3 Department of Mechanical Engineering, University of Minnesota, Minneapolis, USA
  • 4 Institute of Environmental Engineering, ETH Zürich, 8093 Zürich, Switzerland
  • 5 Empa, Analytical Chemistry, Dübendorf, Switzerland

Received: February 20, 2013
Revised: June 5, 2013
Accepted: June 5, 2013
Download Citation: ||https://doi.org/10.4209/aaqr.2013.02.0050  

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Cite this article:
Fissan, H., Kaminski, H., Asbach, C., Pui, D. and Wang, J. (2013). Rationale for Data Evaluation of the Size Distribution Measurements of Agglomerates and Aggregates in Gases with Extended SMPS-Technology. Aerosol Air Qual. Res. 13: 1393-1403. https://doi.org/10.4209/aaqr.2013.02.0050


 

ABSTRACT


Engineered nanoparticles (ENP) very often occur in form of agglomerates built up from spherical primary particles and sintered aggregates. The properties of materials making use of ENPs depend on the distributions of the structural properties of agglomerated/aggregated ENPs. The amount and structural properties of accidentally released ENPs are also of interest with regard to their transport and environmental effects.

We report on the possibilities of using extended SMPS-technology with the addition of an Aerosol Particle Mass Analyzer (APM) and/or an Electrical Sensor (ES), as well as the results of recently developed sintering models, to describe the structures of agglomerates and aggregates. Proposals are made for suitable data evaluation procedures to yield accurate property distributions.


Keywords: Engineered nanoparticles; Sintering model; Aerosol Particle Mass Analyzer (APM); Electrical Sensor (ES); Agglomerate and aggregate characterization


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