science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance:  formaldehyde				Other Names: methanal; methylene oxide

Formula: CH2O						CAS-No.: 50-00-0

Study: uv absorption cross sections


Authors: A.M. Bass, L.C. Glasgow, C. Miller, J.P. Jesson, D.L. Filkin

Title: Temperature dependent absorption cross sections for formaldehyde (CH2O): The effect of formaldehyde on stratospheric chlorine chemistry

Journal/Source: Planetary and Space Science, 28 (7), 675-679, (1980); http://dx.doi.org/10.1016/0032-0633(80)90112-9


Data: diagram, table

Energy/Wavelength range: 261.45 - 355.00 nm

Resolution: 

Temperature: 223 K; 296 K

Temperature dependence: yes

Pressure/Concentration: 

Phase: vapor

pH:


Comments: Measurements are reported of the absorption cross sections of formaldehyde at 296 K and 223 K. These 
measurements are significantly lower than those reported in the earlier literature at ca. 353 K.

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