Elemental analysis of single ambient aerosol particles using laser-induced breakdown spectroscopy.

ABSTRACT: Analysing the composition of aerosol particles is essential when studying their health effects, sources and atmospheric impacts. In many environments the relevant particles occur in very low concentrations, meaning that their analysis requires efficient single particle techniques. Here we introduce a novel method to analyse the elemental composition of single aerosol particles sampled directly from the aerosol phase using size amplification aided aerosol charging (SAAC), linear electrodynamic quadrupole (LEQ) and laser-induced breakdown spectroscopy. We present results of the charging and focusing efficiencies of the SAAC and of the LEQ, and a proof-of-concept of the analysis method. The proof-of-concept test series was conducted with particle diameters down to 300 nm, sampled directly fro

SUBMITTER: Heikkila P 

PROVIDER: S-EPMC9421112 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature