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

Substance: nitrate anion				Other Names: nitrate

Formula: NO3-						CAS-No.: 14797-55-8

Study: photolysis, quantum yields


Authors: R. Zellner, M. Exner, H. Herrmann

Title: Absolute OH quantum yields in the laser photolysis of nitrate, nitrite and dissolved H2O2 at 308 and 351 nm in the temperature range 278-353 K

Journal/Source: J. Atmos. Chem., 10 (4), 411-425, (1990); DOI: 10.1007/BF00115783


Data: 

Energy/Wavelength range: 308 nm; 351 nm

Resolution: 

Temperature: 278 - 353 K

Temperature dependence: yes

Pressure/Concentration: 

Phase: aqueous solution

pH:


Comments: Absolute quantum yields for the formation of OH radicals in the laser photolysis of aqueous solutions of NO3 -, 
NO2 - and H2O2 at 308 and 351 nm and as a function of pH and temperature have been measured.
NO3- photolysis: 
308 nm, 298 K, PHI(OH) = 0.017 ± 0.003 for the pH range 4-9.

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