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Alexandru Popa
Alexandru Popa
Coriolan Dragulescu Institute of Chemistry
Adresă de e-mail confirmată pe acad-icht.tm.edu.ro - Pagina de pornire
Titlu
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The influence of the nature and textural properties of different supports on the thermal behavior of Keggin type heteropolyacids
A Popa, V Sasca, M Stefanescu, EE Kiš, R Marinković-Nedučin
Journal of the Serbian Chemical Society 71 (3), 235-249, 2006
412006
The influence of surface coverage on textural, structural and catalytic properties of cesium salts of 12-molybdophosphoric acid supported on SBA-15 mesoporous silica
A Popa, V Sasca, I Holclajtner-Antunović
Microporous and mesoporous materials 156, 127-137, 2012
392012
Studies on the non-isothermal decomposition of H3PMo12O40· xH2O and H4PVMo11O40· yH2O
V Sasca, M Ştefãnescu, A Popa
Journal of thermal analysis and calorimetry 56 (2), 569-578, 1999
381999
Band-gap energy of heteropoly compounds containing Keggin polyanion-[PVxMo12-xO40]−(3+ x) relates to counter-cations and temperature studied by UV-VIS diffuse reflectance …
V Sasca, A Popa
Journal of Applied Physics 114 (13), 2013
362013
Studies in structural characterization of silica–heteropolyacids composites prepared by sol–gel method
A Popa, V Sasca, EE Kiss, R Marinkovic-Neducin, MT Bokorov, ...
Materials Chemistry and Physics 119 (3), 465-470, 2010
342010
The CsxH3− xPW12O40 catalysts microstructure model
VZ Sasca, O Verdes, L Avram, A Popa, A Erdőhelyi, A Oszko
Applied Catalysis A: General 451, 50-57, 2013
332013
Spectroscopic identification of molecular species of 12-tungstophosphoric acid in methanol/water solutions
I Holclajtner-Antunović, D Bajuk-Bogdanović, A Popa, ...
Inorganica Chimica Acta 383, 26-32, 2012
332012
Structure and texture of some Keggin type heteropolyacids supported on silica and titania
A Popa, V Sasca, EE Kis, R Marinkovic-Neducin, MT Bokorov, J HALOSZ
Journal of optoelectronics and advanced materials 7 (6), 3169-3177, 2005
332005
Synthesis and characterization of 12-phosphotungstic acid supported on BEA zeolite
A Jović, D Bajuk-Bogdanović, BN Vasiljević, M Milojević-Rakić, ...
Materials Chemistry and Physics 186, 430-437, 2017
302017
Synthesis and characterization of ammonium phosphate fertilizers with boron
A Magda, R Pode, C Muntean, M Medeleanu, A Popa
Journal of the Serbian Chemical Society 75 (7), 951-963, 2010
292010
Catalytic properties of molecular sieves MCM41 type doped with heteropolyacids for ethanol oxidation
A Popa, V Sasca, J Halasz
Applied Surface Science 255 (5), 1830-1835, 2008
262008
Structural, morphological and catalytic characterization of neutral Ag salt of 12-tungstophosphoric acid: Influence of preparation conditions
I Holclajtner-Antunović, D Bajuk-Bogdanović, A Popa, BN Vasiljević, ...
Applied Surface Science 328, 466-474, 2015
252015
Mesoporous silica directly modified by incorporation or impregnation of some heteropolyacids: Synthesis and structural characterization
A Popa, V Sasca, EE Kiss, R Marinkovic-Neducin, I Holclajtner-Antunović
Materials Research Bulletin 46 (1), 19-25, 2011
252011
The n-butyl amine TPD measurement of Brönsted acidity for solid catalysts by simultaneous TG/DTG–DTA
V Sasca, L Avram, O Verdes, A Popa
Applied Surface Science 256 (17), 5533-5538, 2010
242010
Physicochemical features of polyaniline supported heteropolyacids
A Popa, N Plesu, V Sasca, EE Kis, R Marinkovic-Neducin
J Optoelectron Adv Mater 8 (5), 1944-1950, 2006
242006
Study of the decomposition pathway of 12-molybdophosphoric acid in aqueous solutions by micro Raman spectroscopy
D Bajuk-Bogdanović, S Uskoković-Marković, R Hercigonja, A Popa, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 153, 152-159, 2016
232016
Thermal behavior of the polyoxometalates derived from H 3 PMo 12 O 40 and H 4 PVMo 11 O 40
V Sasca, M Stefanescu, A Popa
Journal of thermal analysis and calorimetry 72 (1), 311-322, 2003
232003
Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture
A Popa, S Borcanescu, I Holclajtner-Antunović, D Bajuk-Bogdanović, ...
Journal of Porous Materials 28 (1), 143-156, 2021
212021
Preparation, characterization and catalytic activity of mesoporous Ag2HPW12O40/SBA-15 and Ag2HPW12O40/TiO2 composites
I Holclajtner-Antunović, D Bajuk-Bogdanović, A Popa, V Sasca, ...
Materials Chemistry and Physics 160, 359-368, 2015
202015
Synthesis, characterization and thermal stability of cobalt salts of Keggin-type heteropolyacids supported on mesoporous silica
A Popa, V Sasca, D Bajuk-Bogdanović, I Holclajtner-Antunović
Journal of Thermal Analysis and Calorimetry 126, 1567-1577, 2016
182016
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