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. 2024 Dec 6;8(12):2574–2586. doi: 10.1021/acsearthspacechem.4c00237

Figure 5.

Figure 5

Expt. D with gas-phase methylamine, photolysis, cloud processing, and HOOH oxidation with AS+HA seed particles in the CESAM chamber. MeAm additions, two water vapor additions, start of chamber illumination, start of continuous HOOH addition, and 2 cloud events are labeled. Panel a: total organic carbon readings and mass absorption coefficients at 365 nm from PILS/waveguide UV–vis, color coded to axes. b: chamber RH and droplet spectrometer counts, color coded to axes. c: water-corrected PTR-ToF-MS data (m/z 75 HA, red line; m/z 33 HOOH frag, blue dotted line; m/z 86, green line). d: Dilution- and wall-loss-corrected SMPS total aerosol mass (assuming density = 1 g cm–3) and counts, color-coded to axes. e: CAPS-ssa data at 450 nm (mass-corrected extinction, blue line; mass-corrected scattering, black line; single-scattering albedo, red dots; albedo measured immediately after instrument autozero, red triangles.