Long term measurements of aerosol mass concentration with optical particle counters: Discrepancies with plausible reasons

A Buwaniwal, M Joshi, V Sharma, G Gupta, A Khan… - Chemosphere, 2024 - Elsevier
Gravimetry-based direct measurements of mass concentration require offline analysis which
is not suited for field campaigns. Hence such campaigns rely on the estimation of mass …

[PDF][PDF] Evaluation of a High Efficiency Unipolar Charger for Aerosol Particles

TZ YU, YX YANG, JG LIU, HQ GUI, JS ZHANG… - scholar.archive.org
A unipolar charger of submicron aerosol particles has been evaluated. Firstly, a high-voltage
field ionization method is utilized to produce sufficient free charges, and an external …