science-softCon uv/vis+ spectra data base; www.uv-spectra.de; (C) science-softCon 2019 Substance: 2-butanone Other Names: methyl ethyl ketone; MEK Formula: C4H8O CAS-No.: 78-93-3 PubChem: CID 6569 Study: uv absorption cross sections Authors: J.F. Brewer, D.K. Papanastasiou, J.B. Burkholder, E.V. Fischer, Y. Ren, A. Mellouki, A.R. Ravishankara Title: Atmospheric Photolysis of Methyl Ethyl, Diethyl, and Propyl Ethyl Ketones: Temperature Dependent UV Absorption Cross Sections Journal/Source: J. Geophys. Res. D, Atmospheres, 124 (11), 5906-5918, (2019); https://doi.org/10.1029/2019JD030391 Data: table, diagram Energy/Wavelength range: 200 - 335 nm Resolution: 1 nm Temperature: 241 - 320 K Temperature dependence: yes Pressure/Concentration: Phase: gas pH: Comments: The authors present observations of 1 nm resolution absorption cross sections from 200-335 nm of methyl ethyl ketone (MEK) and diethyl ketone (DEK) at temperatures between 242 and 320 K, as well as propyl ethyl ketone (PEK) cross sections at 296 K. Author to whom correspondence should be addressed: (e-mail address):