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

Substance: ammonia					Other Names: hydrogen nitride

Formula: NH3						CAS-No.: 7664-41-7

Study: absorption spectrum

                
Authors: D.M. O’Leary, J. Orphal, A.A. Ruth, U. Heitmann, P. Chelin, C.E. Fellows

Title: The cavity-enhanced absorption spectrum of NH3 in the near-infrared region between 6850 and 7000 cm-1

Journal/Source: J. Quant. Spectr. Rad. Transfer, 109, 1004-1015, (2008); doi:10.1016/j.jqsrt.2007.12.007  


Data: table, diagram

Energy/Wavelength range: ~ 1428 - 1460 nm (6850 - 7000 cm-1)

Resolution: 0.01 cm-1

Temperature: 

Temperature dependence: 

Pressure/Concentration: 0.2 mbar; 11.5 mbar; 30 mbar

Phase: gas

pH:


Comments: The accuracy of the line positions is about 0.001 cm-1, and absorptions cross-sections as low 
as 1x10-23 cm2 molecule-1 are reported. A total of 1117 NH3 lines were observed.

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