![]() All these products are randomly distributed within the particles. We demonstrated that NH4Cl, Na2SO4 and NH4NaSO4♲H2O are formed in recrystallized particles and coexist with NaCl and (NH4)2SO4. Experimental results were compared to the data predicted by the thermodynamic model E-AIM (Extended-Aerosol Inorganics Model). The chemical composition and physical state of individual levitated particles of different initial NaCl mole fractions were monitored during the deliquescence cycle by CRM. ![]() This paper reports on the deliquescence relative humidity (DRH) of internally mixed sodium chloride-ammonium sulfate (NaCl/(NH4)2SO4) coarse particles by means of an acoustic levitation system fitted with a confocal Raman microscope (CRM). During atmospheric transport, sea-salt aerosols can interact with gases and other particles including secondary aerosols containing ammonium sulfate ((NH4)2SO4). Sodium chloride (NaCl) is the main constituent of sea-salt aerosols.
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