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: UV absorption spectrum Authors: B.-M. Cheng, H.-C. Lu, H.-K. Chen, M. Bahou, Y.-P. Lee, A.M. Mebel, L.C. Lee, M.-C. Liang, Y.L. Yung Title: Absorption Cross Sections of NH3, NH2D, NHD2, and ND3 in the Spectral Range 140-220 nm and Implication to Planetary Isotopic Fractionation Journal/Source: Astrophys. J., 647, 1535-1542, (2006); doi: 10.1086/505615 Data: table, diagram Energy/Wavelength range: 140 - 226 nm Resolution: 0.02 nm Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: Cross sections for photoabsorption of NH3, NH2D, NHD2, and ND3 in the spectral region 140-220 nm were determined at ~298 K using synchrotron radiation. Author to whom correspondence should be addressed: (e-mail address):