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

Substance: water					Other names:

Formula: H2O						CAS-No.: 7732-18-5

Study: vuv absorption cross section


Authors: D. Kley

Title: Ly(alpha) absorption cross-section of H2O and O2 

Journal/Source: J. Atmos. Chem., 2, 203-210, (1984); DOI: 10.1007/BF00114132 


Data: 

Energy/Wavelength range: 121.6 nm

Resolution: 

Temperature: 

Temperature dependence: 

Pressure/Concentration: 

Phase: vapor

pH:


Comments: The absorption cross-sections of water vapor and oxygen are, sigma(H2O) = 1.59 × 10-17 cm2 
and sigma(O2) = 1.13 × 10-20 + 1.72 × 10-23 x P (oxygen pressure in Torr), respectively.

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