Home / The University / Faculties / Faculty of Chemistry and Pharmacy / Structures / Departments / Analytical Chemistry / Staff / prof. D. Sc. Chem. Stoyan Alexandrov / List of selected publications

   
  1. Daiev, Ch., S. Alexandrov, L. Daieva. Zerstörungsfreie aktivierungsanalytische Bestimmung von Mikro- und Ultramikromengen Indium in Reinstthallium und Thalliumverbindungen, Fresenius Z. Anal. Chem., 239, 1968, 369–377.
  2. Alexandrov, S., J. N. Barrandon, I. N. Bourelly, Ch. Cleyrergue, N. Deschamps, H. Jaffrezic, B. Vialatte. Etude du comportement de quelques metaux nobles sur le sulfure de cuivre en milieu acide forte. Radiochem. Radioanal. Lett., 5, 1970, 51–58.
  3. Alexandrov, S., N. Krasnobaeva. Zur Analyse von Reinstblei. Spectrochemische Bestimmung von Kupfer, Eisen, Zinn und Wismut mit Anreicherung durch Ionenaustausch, Acta Chim. Sci. Hung., 64, 1970, 11–16.
  4. Bourelly, I.N., Ch. Cleyrergue, N. Deschamps, H. Jaffrezic, B. Vialatte, S. Alexandrov, J. N. Barrandon. Etude de la fixation des metaux alcalins sur le pentoxide d'antimoine hidrate en milieu acide forte, Radiochem. Radioanal. Lett., 5, 1970, 43–49.
  5. Krasnobaeva, N., S. Alexandrov. Zur Analyse von Reinstblei. Spectrochemische Bestimmung von Kupfer, Eisen und Antimon mit Anreicherung durch Ausfällung des Bleichlorids. Acta Chim. Sci. Hung., 64, 1970, 1–9.
  6. Vialatte, B., J. N. Barrandon, S. Alexandrov, I. N. Bourelly, Ch. Cleyrergue, N. Deschamps, H. Jaffrezic. Etude de la fixation du fluor sur le pentoxide d'antimoine hidrate en milieu chlorhydrique. Radiochem. Radioanal. Lett., 5, 1970, 59–62.
  7. Cleyrergue, Ch., N. Deschamps, H. Jaffrezic, B. Vialatte, S. Alexandrov, J. N. Barrandon, I. N. Bourelly. Etude de la fixation du fer sur le dioxide d'etain hidrate en milieu nitrique. Radiochem. Radioanal. Lett., 6, 1971, 15–20.
  8. Alexandrov, S. Neutron Activation Determination of Iridium in Low-Grade Copper-Nickel Ores, Zh. Anal. Khim., 30, 1975, 322–325 (in Russian).
  9. Alexandrov, S. Sorption of Noble Metal Ions on Sulphides of Lead, Copper and Mercury from Highly Acidic Solutions. Zh. Anal. Khim., 30, 1975, 528–532 (in Russian).
  10. Alexandrov, S. Dosage par spectrometrie gamma non destructive du mercure et de l’or dans l'eau de mer aprеs preconcentration par le sulfur de plomb. Talanta, 23, 1976, 684–686.
  11. Alexandrov, S. Atomic Emission Spectroscopic Determination of Mercury in Fish. Compt. Rend. Acad. Bulg. Sci., 29, 1976, 1309–1312.
  12. Alexandrov, S., Z. Milenova, V. Simeonov. Optimized condition for emission-spectral determination of mercury by the use of iron electrode cell. Ann. Univ. Sofia, Fac. Chim., 70, 1975–1976, 44–49.
  13. Alexandrov, С., M. T. Petrova. Spectrochemical Determination of Mercury Content in Bulgarian Mineral Waters. Compt. Rend. Acad. Bulg. Sci., 30, 1977, 1435–1437.
  14. Alexandrov, S., G. Bosnev. A Study on the Possibility of Using Lead and Cadmium Supphide in Concentrating Small Amounts of Arsenic from Aqueous Solutions, Ann. Univ. Sofia, Fac. Chim., 71, 1976–1977, 101–107.
  15. Alexandrov, S., G. L. Gyulmezova, J. Sanabria. A study on the possibility for emission-spectral and atomic-absorption determination of silver, gold and palladium in anode slime. Compt. Rend. Acad. Bulg. Sci., 31, 1978, 73–76.
  16. Alexandrov, S. Study of conditions for spectrochemical determination of mercury in urine after preconcentration. Compt. Rend. Acad. Bulg. Sci., 31 1978, 691–694.
  17. Alexandrov, S. Determination of Mercury Vapour in Air by Arc-Source Atomic Emission Spectroscopy after Preconcentration, Zh. Anal. Khim., 38, 1983, 1003–1007 (in Russian).
  18. Alexandrov, S. Lead Sulphide as a Sorbent for the Preconcentration of Mercury from Air and Determination of Mercury by Atomic Emission Spectroscopy. Fresenius Z. Anal. Chem., 321, 1985, 578–580.
  19. Simeonov, V., I. Karadjova, S. Alexandrov. Model for Designed Emission Spectroscopic Determination of Trace Metals in Pure Substances after Coprecipitation with Cadmium Sulphide. Fresenius Z. Anal. Chem., 320, 1985, 330–333.
  20. Arpadjan, S., I. Karadjova, S. Alexandrov, D. Tsalev. Extractions-Flammenabsorptionsbestimmung von Spurenverunreingungen in Salzen. Fresenius Z. Anal. Chem., 320, 1985, 581–583.
  21. Alexandrov, S., G. Georgiev. Extraction and Utilization of Silver, Palladium and Copper from Low Content Industrial Waste, Ann. Univ. Sofia, Fac. Chim., 79, 1985, 89–94.
  22. Alexandrov, S., I. Kuleff, R. Djingova, S. Arpadjan, E. Taskaev. Impurity Determination in Bi2O3 and PbCl2 by Neutron Activation Analysis and Atomic Absorption Spectrometry. First Balkan Conference on Activation Analysis, Proceedings, Varna, May 6–8 1985, pp. 60–62.
  23. Arpadjan, S., M. Novkirischka, S. Alexandrov, P. Petkov. Über die Bestimmung von Spurenverunreinigungen (Fe, Cu, Co, Ni, Mn, Zn, Pb, Cd, Cr,Cl) in reiner Borsäure mit Einsatz der Extraction-Flammen- AAS und Spectralphotometrie. White-spirit als organisches Lösungsmittel. Zeitschrift f. Chemie, 26 (12), 1986, 430–433.
  24. Alexandrov, S., S. Sevov, S. Peneva, E. Tsukeva. Sorption of Mercury on Lead Sulphide: RHEED investigation of the Hg-Pb system. Fresenius Z. Anal. Chem., 326, 1987, 358–361.
  25. Aneva, Z., S. Arpadjan, S. Alexandrov, K. Kovatscheva. Synergetic Extraction of Platinum (IV) from Dilute Hydrochloric Acid by Isoamyl alcohol-Methylisobutylcetone mixture. Mikrochim. Acta (Wien), 1987, I, 341–350.
  26. Djingova R., I. Kuleff, S. Arpadjan, S. Alexandrov, A. Voulgaropoulos, T. Sawidis. Neutron Activation and Atomic Absorption Analysis of Ulva Lactuca and Gracilaria Verrucosa from Thermaikos Gulf, Greece, Toxicol. Environ. Chem., 15, 1987, 149–158.
  27. Alexandrov, S., E. Vassileva. Atomic Spectroscopic Determination of Impurities in Nickel Sulphate after Separation and Preconcentration by the Precipitation of the Macrocomponent. Compt. Rend. Acad. Bulg. Sci., 40 (10), 1987, 75–78.
  28. Simeonov, V., S. Alexandrov. Philosophical Aspects of Chemometrical Strategy in Analytical Chemistry. Fresenius Z. Anal. Chem., 326, 1987, 314–316.
  29. Aneva, Z., M. Pankova, S. Arpadjan, S. Alexandrov. Bestimmung von Spurenverunreinigungen (Al, Ca, Cr, Cu, Mg, Mn, Ni, Pb) in Reinstplatin durch Flammen-AAS. Fresenius Z. Anal. Chem., 1987, 326, 561–562.
  30. Alexandrov, S., L. B. Baeva. Studying the Mechanism of the Process of Preconcentration of Mercury from Solution with Lead Sulphide. Compt. Rend. Acad. Bulg. Sci., 41 (1), 1988, 47–50.
  31. Alexandrov, S., A. Voulgaropoulus. Atomic Emission Spectroscopic Determination of Mercury in Water and Sediment Samples from the River Strimon. Chimika Chronika. New Series, 17, 1988, 143–148.
  32. Aneva Z., S. Arpadjan, S. Alexandrov. Extraction AAS Determination of Traces of Elements in Pure Platinum. In: International Solvent Extraction Conference, Moscow, USSR, July 18–24, 1988. Conference Papers, Vol. IV, Moscow, Nauka, 1988, 88–93.
  33. Alexandrov, S. Sorption Mechanism of Ions of Some Heavy Metals and Mercury Vaopours on Lead Sulphide. Extention of the Fajans-Panet-Hahn Rule. Compt. Rend. Acad. Bulg. Sci., 43 (12), 1990, 45–48.
  34. Alexandrov, S., I. Gafur, N. Koleva. Separation and Preconcentration of Impurities in Analysis of High-Purity Zinc Compounds. Compt. Rend. Acad. Bulg. Sci., 43 (11), 1990, 69–72.
  35. Alexandrov, S., E. Vassileva. Study on the Co-precipitation Mechanism of Ag(I) and Fe(III) with Cobalt and Nickel Sulphides for Atomic Emission Spectroscopic Determination in High Purity Cobalt and Nicklel Salts, Compt. Rend. Acad. Bulg. Sci., 43 (7), 1990, 45–48.
  36. Alexandrov, S., S. Arpadjan, M. Matova. Atomic Emission Spectroscopic Determination of Ag and Pd after Preconcentration with CuS. Ann. Univ. Sofia, Fac. Chim., 80, 1991, 143–149.
  37. Alexandrov, S., I. Gafur, D. Luchanska. Investigation of the Пossibility of Separation and Preconcentration in High Purity Cadmium Salts Analysis. Compt. Rend. Acad. Bulg. Sci., 45, (5), 1992, 55–58.
  38. Alexandrov, S., I. Gafur, P. Mandjukov, O. Nedelchev. Study on the Hydride Generation Atomic Absorption Spectrometry of As, Sb, Bi, Se, Sn, Te and Hg in the Presence of Cadmium and Zinc Salts. Fresenius J. Anal. Chem., 347, 1993, 303–304.
  39. Alexandrov, S. Fajans-Paneth-Hahn Rule for System Containing Lead Sulphide and Silver, Gold, Mercury and Platinum-Group Metal Ions in Acid Media. Zh. Anal. Khim., 54, 1999, 1037–1041 (in Russian).
  40. Alexandrov, St. Study on the Distribution of Some Elements Between Soil and Lavandula angustifolia – Miller plant. Ann. Univ. Sofia, Fac. Chim., 96, 2003, 13–16.
  41. Pavlova, D. K., St. Alexandrov. Metal Uptake in Some Plants Growing on Serpentine Areas in the Eastern Rhodopes Mountains (Bulgaria), The Herb Journal of Systematic Botany, 10, 2003, 14–30.
  42. Alexandrov, St. Study on the Distribution of Some Elements between Soil and Lavandula angustifolia – Miller Plant. Ann. Univ. Sof., Fac. Chim., 96, 2004, 269–274.
  43. Bozhanov, S., S. Alexandrov. Analysis of Lavender and Rose Oil. Studies on the Possibility for Elaboration of a Method for Kinetic Spectrophotometric Determination of Mn(II) in Bulgarian Lavender and Rose Oil. J. Univ. Chem. Technol. Metall. (Sofia), 41, 2006, 457–460.
  44. Bozhanov, S., S. Arpadjan, S. Alexandrov. Determination of mercury in geritamin, fish oil and essential oils by electrothermal atomic absorption spectrometry. Compt. Rend. Acad. Bulg. Sci., 60, 2007, 979–982.
  45. Bozhanov, S., I. Karadjova, S. Alexandrov. Determination of Trace Elements in the Lavender Inflorescence (Lavandula angustifolia Mill.) – Lavender Oil System. Microchem. J., 86, 2007, 119–123.
  46. Bozhanov, S., St. Alexandrov, I. Dakova. A Study on the Distribution of Some Metals in Soil, Lavender Plant and Lavender Oil. Ann. Univ. Sofia, Fac. Chim., 100, 2008, 253–258.