science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2020 Substance: sulfur trioxide anion Other Names: sulfur trioxide anion radical Formula: SO3- CAS-No.: 12210-38-7 PubChem: CID Study: UV extinction coefficients Authors: E. Hayon, A. Treinin, J. Wilf Title: Electronic spectra, photochemistry, and autoxidation mechanism of the sulfite-bisulfite-pyrosulfite systems. SO2-, SO3-, SO4-, and SO5- radicals Journal/Source: J. Am. Chem. Soc., 94, 1, 47–57, (1972); https://doi.org/10.1021/ja00756a009 Data: table, diagram Energy/Wavelength range: 240 - 390 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: aqueous solution of 2.0 x 10^-3 mol L-1 SO3(2-), N2O saturated pH: 10.3 Comments: see R.L. Hug, Nat. Stand. Ref. Data Ser., Nat. Bur. Stand. (U.S.), 69, 1-167, (1981). Author to whom correspondence should be addressed: (e-mail address):