Vol. 29, issue 06, article # 13

Zakharenko V. S., Daibova E. B. Photochemical activity of precipitating aerosol of Ca(OH)2 microparticles under tropospheric conditions. // Optika Atmosfery i Okeana. 2016. V. 29. No. 06. P. 521–524. DOI: 10.15372/AOO20160613 [in Russian].
Copy the reference to clipboard
Abstract:

The composition of surface compounds desorbing in darkness and under irradiation from microparticles of precipitated aerosol Ca(OH)2 without calcium carbonate were investigated. The quantum yield quantities and its spectral dependencies for the photodesorption from aerosol microparticles and the oxygen photoadsoption were determined.

Keywords:

Са(OH)2 aerosol, surface composition, photodesorption, O2 photoadsorption, quantum yield, lattice anion vacancies

References:

  1. Kostov I. Mineralogija. M.: Mir, 1971. 584 p.
  2. Theocharis Ch., Yeates D. Changes tile surface properties of calcium hydroxide upon ageing. A spectroscopic and gas sorption study // Colloids Surf. 1991. V. 58, N 2. P. 353–361.
  3. Montes-Hernandez G., Pommerol A., Renard F., Beck P., Quirico E., Brissaud O. In situ kinetic measurements of gas-solid carbonation of Ca(OH)2 by using an infrared microscope coupled to a reaction cell // J. Chem. Eng. 2010. V. 161, N 2. P. 250–256.
  4. Zaharenko V.S., Dajbova E.B. Fiziko-himicheskie svojstva osazhdennogo ajerozolja, poluchennogo iz kristalla minerala brusita Mg(OH)2, v uslovijah okruzhajushhego vozduha // Optika atmosf. i okeana. 2012. V. 25, N 8. P. 738–742.
  5. White R.C., Walker W.C. Exciton spectra of CaO and MgO // Phys. Rev. Lett. 1969. V. 22, N 26. P. 1428–1430.
  6. Pishtshev A., Karazhanov S.Zh., Klepov M. Materials properties of magnesium and calcium hydroxides from first-principles calculation // Comput. Mater. Sci. 2014. V. 95, N 4. P. 693–705.
  7. Brik M.G. First-principles calculation of structural, optical and elastic properties of magnesite MgCO3 and calcite CaCO3 // Phys. B. 2011. V. 406, N 4. P. 1004–1012.
  8. Zaharenko V.S., Dajbova E.B. Fotoprocessy na poverhnosti chastic osazhdennogo ajerozolja, poluchennogo dispergirovaniem kristalla minerala kal'cita (SaSO3) na vozduhe // Optika atmosf. i okeana. 2015. V. 28, N 6. P. 540–543.
  9. Volodin A.M., Bolshov V.A., Konovalova T.A. Photostimulated of radicals on oxide surfaces // Mol. Eng. 1994. V. 4, N 2. P. 221–226.
  10. Cordishi D., Indovina V., Occhiuzzi M. Electron spin resonance studies of the formation and thermal stability of oxygen radical on CaO and some other oxides // J. Chem. Soc. Faraday Trans.  1978. V. 74. P. 883–892.
  11. Che M., Coluccia S., Zecchina A. Electron paramagnetic resonance study of electron transfer at the surface of alkaline earth oxides. Reversible pyridine-induced formation of superoxide ions labeled with 17O // J. Chem. Soc. Faraday Trans. 1978. V. 74. P. 1324–1328.