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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 6 | Copyright
Atmos. Meas. Tech., 9, 2709-2720, 2016
https://doi.org/10.5194/amt-9-2709-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 Jun 2016

Research article | 29 Jun 2016

A new high-transmission inlet for the Caltech nano-RDMA for size distribution measurements of sub-3 nm ions at ambient concentrations

Alessandro Franchin et al.
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High transmission efficiency is key for classifying and counting atmospheric aerosol below 10 nm. We developed a new high­-transmission inlet for the Caltech nano-­radial DMA (nRDMA) and successfully deployed the nRDMA, equipped with the new inlet, in chamber measurements, using a particle size magnifier (PSM) and a booster CPC as a counter. With this setup, we were able to measure size distributions of ions between 1.3 and 6 nm in mobility diameter.
High transmission efficiency is key for classifying and counting atmospheric aerosol below...
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