The partitioning behavior of gallium in polyethylene glycol (PEG) (1)–ammonium sulfate (NH4)2SO4 (2) aqueous two-phase systems (ATPS) in the presence of 4-(2-pyridylazo) resorcinol (PAR) as an ...

Organosulfates (OSs) are ubiquitous in atmospheric particulate matter and serve as key tracers of secondary organic aerosols. Traditionally, OSs have been primarily linked to the particle phase with ...