Co-precipitative pre-concentration with sodium diethyldithiocarbamate and ICP-AES determination of Se, Cu, Pb, Zn, Fe, Co, Ni, Mn, Cr and Cd in water D Atanassova, V Stefanova, E Russeva Talanta 47 (5), 1237-1243, 1998 | 150 | 1998 |
Microwave-assisted cloud point extraction of Rh, Pd and Pt with 2-mercaptobenzothiazole as preconcentration procedure prior to ICP-MS analysis of pharmaceutical products K Simitchiev, V Stefanova, V Kmetov, G Andreev, N Kovachev, A Canals Journal of Analytical Atomic Spectrometry 23 (5), 717-726, 2008 | 90 | 2008 |
Direct ultrasound-assisted extraction of heavy metals from sewage sludge samples for ICP-OES analysis D Hristozov, CE Domini, V Kmetov, V Stefanova, D Georgieva, A Canals Analytica Chimica Acta 516 (1-2), 187-196, 2004 | 78 | 2004 |
Preconcentration of trace elements on a support impregnated with sodium diethyldithiocarbamate prior to their determination by inductively coupled plasma-atomic emission … D Atanasova, V Stefanova, E Russeva Talanta 45 (5), 857-864, 1998 | 62 | 1998 |
Comparison of inductively coupled plasma mass spectrometry and colorimetric determination of total and extractable phosphorus in soils K Ivanov, P Zaprjanova, M Petkova, V Stefanova, V Kmetov, D Georgieva, ... Spectrochimica Acta Part B: Atomic Spectroscopy 71, 117-122, 2012 | 41 | 2012 |
Investigation of ICP-MS spectral interferences in the determination of Rh, Pd and Pt in road dust: Assessment of correction algorithms via uncertainty budget analysis and … K Simitchiev, V Stefanova, V Kmetov, G Andreev, A Sanchez, A Canals Talanta 77 (2), 889-896, 2008 | 41 | 2008 |
Unmodified manganese ferrite nanoparticles as a new sorbent for solid-phase extraction of trace metal–APDC complexes followed by inductively coupled plasma mass spectrometry … V Stefanova, D Georgieva, V Kmetov, I Roman, A Canals Journal of Analytical Atomic Spectrometry 27 (10), 1743-1752, 2012 | 20 | 2012 |
Determination of calcium, iron and manganese in moss by automated discrete sampling flame atomic absorption spectrometry as an alternative to the ICP–MS analysis V Kmetov, V Stefanova, D Hristozov, D Georgieva, A Canals Talanta 59 (1), 123-136, 2003 | 19 | 2003 |
Air segmented discrete introduction in inductively coupled plasma mass spectrometry V Stefanova, V Kmetov, L Futekov Journal of Analytical Atomic Spectrometry 12 (11), 1271-1276, 1997 | 19 | 1997 |
Elemental speciation by capillary electrophoresis with inductively coupled plasma spectrometry: A new approach by Flow Focusing® nebulization N Kovachev, MÁ Aguirre, M Hidalgo, K Simitchiev, V Stefanova, V Kmetov, ... Microchemical Journal 117, 27-33, 2014 | 17 | 2014 |
Application of internal standardization in ICP-QMS through discrete sample introduction methodologies V Stefanova, V Kmetov, A Canals Journal of Analytical Atomic Spectrometry 18 (9), 1171-1174, 2003 | 17 | 2003 |
A comparative study of inductively coupled plasma optical emission spectrometry and microwave plasma atomic emission spectrometry for the direct determination of lanthanides in … E Varbanova, V Stefanova Ecol Saf 9, 362-374, 2015 | 15 | 2015 |
Study of 3-Ethylamino-but-2-enoic acid phenylamide as a new ligand for preconcentration of lanthanides from aqueous media by liquid-liquid extraction prior to ICP-MS analysis EK Varbanova, PA Angelov, VM Stefanova Talanta 160, 389-399, 2016 | 13 | 2016 |
Integrated monitoring with moss-bag and mussel transplants in reservoirs G Gecheva, V Yancheva, I Velcheva, E Georgieva, S Stoyanova, ... Water 12 (6), 1800, 2020 | 12 | 2020 |
Microwave-assisted solid phase extraction prior to ICP-MS determination of Pd and Pt in environmental and biological samples N Kovachev, A Sanchez, K Simitchiev, V Stefanova, V Kmetov, A Canals International journal of environmental analytical chemistry 92 (9), 1106-1119, 2012 | 9 | 2012 |
Co-precipitative pre-concentration with sodium di-ethyldithiocarbamate and ICP-AES determination of Se, Cu, Pb, Zn, Fe, Co, Ni, Mn, Cr and Cd in water D Aanassova, V Stefanova, E Russeva Talanta 47 (1), 237-1, 1998 | 7 | 1998 |
Air pollution monitoring with mosses in Western Rhodopes, Bulgaria N Gribacheva, G Gecheva, V Stefanova Bulg. Chem. Commun 51 (2), 256-260, 2019 | 6 | 2019 |
Atmospheric pollution assessment with mosses in Bulgaria G Gecheva Journal of BioScience and Biotechnology 5 (2), 125-128, 2016 | 5 | 2016 |
An approach to estimate the contribution of signal noise to the diameter uncertainty of individual silver nanoparticles and resolution of spICP-MS analysis LI Kaynarova, DL Georgieva, VM Stefanova Journal of Analytical Atomic Spectrometry 37 (7), 1484-1500, 2022 | 4 | 2022 |
a model study of pH effect on enaminone complexation activity towards some metals EK Varbanova, PA Angelov, VM Stefanova Journal of International Scientific Publications: Ecology & Safety 8 …, 2014 | 4 | 2014 |