Title : Organics Substantially Reduce HO2 Uptake onto Aerosols Containing Transition Metal ions.

Pub. Date : 2016 Mar 10

PMID : 26484935






3 Functional Relationships(s)
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1 A HO2 mass accommodation coefficient of alpha = 0.23 +- 0.07 was measured onto submicron copper(II)-doped ammonium sulfate aerosols at a relative humidity of 60 +- 3%, at 293 +- 2 K and at an initial HO2 concentration of ~ 1 x 10(9) molecules cm(-3) by using an aerosol flow tube coupled to a sensitive fluorescence assay by gas expansion (FAGE) HO2 detection system. cupric ion heme oxygenase 2 Homo sapiens
2 The effect upon the HO2 uptake coefficient gamma of adding different organic species (malonic acid, citric acid, 1,2-diaminoethane, tartronic acid, ethylenediaminetetraacetic acid (EDTA), and oxalic acid) into the copper(II)-doped aerosols was investigated. cupric ion heme oxygenase 2 Homo sapiens
3 It is likely that there is a high enough oxalate to copper(II) ion ratio in many types of atmospheric aerosols to decrease the HO2 uptake coefficient. cupric ion heme oxygenase 2 Homo sapiens