science-softCon uv/vis+ spectra data base; www.uv-spectra.de; (C) science-softCon 2010 Substance: biacatyl Other Names: 2,3-butanedione Formula: (CH3CO)2 CAS-No.: 431-03-8 Study: absorption spectrum, quantum yields Authors: B. Rajakumar, T. Gierczak, J. Flad, A.R. Ravishankara, J.B. Burkholder Title: The CH3CO quantum yield in the 248 nm photolysis of acetone, methyl ethyl ketone, and biacetyl Journal/Source: J. Photochem. Photobiol. A: Chem., 199, 336-344, (2008); doi:10.1016/j.jphotochem.2008.06.015 Data: (diagram, table, disk): Energy/Wavelength range: 248 nm Resolution: Temperature: 296 K Temperature dependence: Pressure: Comments: Quantum yields for CH3CO formation from the 248 nm photolysis of acetone, MEK, and biacetyl were 0.535 ± 0.09, 0.41 ± 0.08, and 0.76 ± 0.11, for acetone, methyl ethyl ketone, and biacetyl, respectively. Author to whom correspondence should be addressed: (e-mail address):