AAS determination of trace elements in lakewater and sedimentsLepane, Viia; Viitak, AnuISM'92 : 12-th International Symposium on Microchemical Techniques, Cordoba, Spain, 6-11 Sept. 1992 : abstracts1992 Analysis of extracellular polymeric substances from pre-treated sludge by high-performance size exclusion chromatographyLepane, Viia; Menert, Anne; Michelis, Merje; Rikmann, Ergo; Vilu, RaivoInternational Symposium Analytical Forum 2004 : Warsaw, Poland : Book of abstracts2004 / p. 202 Analysis of organic species in sediments and soil by high performance separation methods = Orgaaniliste ainete analüüs sette ja mulla proovides kõrgefektiivsete lahutusmeetodite abilMakarõtševa, Natalja2011 https://digi.lib.ttu.ee/i/?614 Analysis of pore water dissolved organic matter by UV-spectroscopy and spectral fluorescence signatures technologyMakarõtševa, Natalja; Lepane, Viia; Alliksaar, Tiiu; Tõnno, IlmarFrom Molecular Understanding to Innovative Applications of Humic Substances : proceedings of the 14th International Meeting of the International Humic Substances Society : September 14-19, 2008, Moscow-Saint Petersburg, Russia. Volume 12008 / p. 269-272 : ill Analysis of trace elements in sewage sludgesViisimaa, Ludmilla; Lepane, Viia; Viitak, Anu; Viisimaa, MattiISM '92 : 12-th International Symposium on Microchemical Techniques, Cordoba, Spain, 6-11 Sept. 19921992 Analytical monitoring of bivalent heavy metals in the biosphere of the area of phosphate fertilizer industryHödrejärv, Helvi; Viitak, Anu; Varandi, Merje; Lepane, ViiaEuropean Conference on Analytical Chemistry : Euroanalysis VII, Vienna, Austria, August 26-31, 1990 : book of abstracts. Vol. 11990 Applications of capillary electrophoresis in aquatic dissolved organic matter analysisLepane, Viia10th Nordic IHSS Symposium on Character of Natural Organic Matter and its Role in the Environment2005 / p. 73 Applications of capillary electrophoresis in aquatic dissolved organic matter analysisLepane, ViiaActa Universitatis Latviensis2005 / p. 56-65 Applications of capillary electrophoresis in aquatic dissolved organic matter analysisLepane, ViiaScientific papers University of Latvia2006 / Earth and environmental sciences, p. 55-65 : ill Capillary electrophoretic analysis of humic substances from natural waters using ethlen glycol modifical background electrolyteLepane, Viia; Ebber, Arkadi; Kaljurand, Mihkel23rd International Symposium on Chromatography : book of abstracts2000 / p. 67 Capillary electrophoretic characterisation of humic substancesLepane, Viia; Gorohhova, JekaterinaAdvances in Natural Organic Matter and Humic Substances Research 2008-2010 : XV Meeting of the International Humic Substances Society : Puerto de la Cruz, Tenerife, Canary Islands, 27 June - 2 July 2010 : proceedings. Vol. 22010 / p. 113-116 : ill Characterisation of dissolved organic matter in the Baltic and Skagerrak using field-flow fractionation, gel permeation chromatography and 3D fluorescence spectroscopyHassellöv, M.; Persson, T.; Lepane, Viia; Turner, D.; Wedborg, M.6th International Symposium on Field-Flow Fractionation, Ferrara, Italy, September 9-11, 19961996 / p. 55 Characterisation of humic substances from Estonian waters by capillary electrophoresisLepane, ViiaProceedings of the 8th Nordic IHSS Symposium on Humic Substances2001 / p. 33-38 Characterization of aquatic humic substances by size exclusion chromatographyLepane, Viia23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 72 Characterization of aquatic humic substances by size exclusion chromatography and capillary electrophoresisLepane, ViiaProceedings of the 5th Finnish Conference of Environmental Sciences : 18-19 May 20012001 / p. 26-29 Characterization of aquatic humic substances by size exclusion chromatography and capillary electrophoresisLepane, Viia2001 http://www.ester.ee/record=b1569755*est Characterization of Baltic Sea dissolved organic matter as oil shale precursor by separation and fractionation by adsorption chromatographic XAD method, and size exclusion chromatographyLepane, ViiaOil shale2001 / 3, p. 239-257 https://artiklid.elnet.ee/record=b1007834*est Characterization of dissolved organic matter in lake sediment pore water samples by spectroscopic methodsMakarõtševa, Natalja; Lepane, Viia8th European Meeting on Environmental Chemistry (EMEC8) : Inverness, Scotland, 5-8 December 2007 : book of abstracts2007 / p. 26 Characterization of pore water Fe-NOM complexes by HPSEC-ETAASLepane, Viia; Soret, A.; Makarõtševa, NataljaProgramme and abstracts : 13th Nordic-Baltic IHSS Symposium. The role of natural organic matter in the environment : Oskarsborg, Norway, June 19-22, 20112011 / p. 29 https://www.etis.ee/Portal/Publications/Display/2fd29758-95ef-42ab-ba20-4e5c365a4a5a Characterization of sediment pore-water dissolved organic matter by capillary zone electrophoresis using polyvinyl alcohol coated capillaryLepane, Viia; Leeben, Aina25th International Symposium on Chromatography : Paris, France, 20042004 / p. 135 Characterization of sediment pore-water dissolved organic matter of lakes by high performance size exclusion chromatographyLepane, Viia; Malashenko, Olga; Leeben, Aina9th Nordic IHSS Symposium on Abundance and Functions of Natural Organic Matter Species in Soil and Water : Sundsvall, Sweden, 2003 : abstracts2003 / p. 8P Characterization of sediment pore-water dissolved organic matter of lakes by high-performance size exclusion chromatographyLepane, Viia; Leeben, Aina; Malashenko, OlgaAquatic sciences2004 / 2, p. 185-194 : ill Chemical analysis of temporal changes in the structure and quantity of organic biomolecules of lake sedimentsLepane, Viia; Makarõtševa, Natalja; Viitak, Anu; Alliksaar, TiiuInternational Humic Substances Society 11th Nordic-Baltic Symposium. Functioning of NOM in the Environment : Joensuu, Finland, June 10-13 : abstracts2007 / p. 42 Chemistry and ecology2010 Comparative study for differentiation of aquatic humic-type organic constituents by capillary zone electrophoresis using polyvinyl alcohol-coated capillaryPeuravuori, Juhani; Lehtonen, Tero; Lepane, Viia; Pihlaja, KaleviTalanta2005 / p. 103-111 : ill https://www.sciencedirect.com/science/article/abs/pii/S0039914005001141 Comparative study for separation of aquatic humic substances by capillary zone electrophoresis using uncoated, polymer coated and gel-filled capillariesPeuravuori, Juhani; Lepane, Viia; Lehtonen, Tero; Pihlaja, KaleviJournal of chromatography A2004 / 1, p. 129-142 : ill Comparisation of XAD resins for the isolation of humic substances from seawaterLepane, ViiaJournal of chromatography A1999 / p. 329-335: ill Comparison of eluents for lead and cadmium fractionation in waters by non-suppressed ion chromatography with UV and GFAAS detectionLepane, Viia; Viitak, Anu; Treumann, Maili; Kaljurand, MihkelBalaton Symposium'99 on High-Performance Separation Methods : September 1-3, 1999, Siofok, Hungary : book of abstracts1999 / p. P-152 Comparison of XAD resins for the isolation of seawater humic substancesLepane, Viia22nd International Symposium on Chromatography : ISC'98 : Roma, September 13-18, 1998 : book of abstracts1998 / p. 121 Dark fermentation of biomass and organic waste for production of renewablesVaalu, Tarmo; Michelis, Merje; Mets, Aita; Lepane, Viia; Kaljurand, Mihkel; Suurväli, Jaanus; Menert, Anne12th Nordic-Baltic IHSS Symposium on Natural Organic Matter in Environment and Technology : Tallinn, Estonia, June 14-17, 2009 : program and abstracts2009 / p. 43 Determination of silver in standard reference materials by cloud point extraction following atomic absorption spectrometryKilinc, Ersin; Lepane, Viia; Viitak, Anu; Gumgum, B.Euroanalysis XIV : Antwerp (Belgium), 9-14 September 2007 : book of abstracts2007 / p. 224 Determination of total and labile metal in sediments by anodic stripping voltammetryLepane, Viia; Hödrejärv, HelviInternational Congress on Analytical Sciences 1991 (IUPAC ICAS'91) : abstracts, Chiba, Japan, 25-31 August 19911991 / p. 312 Dissolved organic matter, nutrients, and bacteria in Antarctic soil core from Schirmacher OasisLepane, Viia; Künnis-Beres, Kai; Kaup, Enn; Sharma, BhupeshJournal of soils and sediments2018 / p. 2715-2726 : ill https://doi.org/10.1007/s11368-018-1913-7 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Ecosystem changes in large and shallow Võrtsjärv, a lake in Estonia - evidence from sediment pigments and phosphorus fractionsTõnno, Ilmar; Kirsi, Anna-Liisa; Freiberg, Rene; Alliksaar, Tiiu; Lepane, Viia; Kõiv, Toomas; Kisand, Anu; Heinsalu, AtkoBoreal environment research2013 / p. 195-208 : ill Effect of acidification on the mass balance of heavy metals in snowHödrejärv, Helvi; Lepane, Viia; Vaarmann, AiniEuroanalysis VIII : European Conference on Analytical Chemistry, Edinburgh, Scotland, UK, Sept. 1993 : book of abstracts1993 / p. 30 Effect of long-term application of organic fertilizers on improving organic matter quality in acid soilMockeviciene, Ieva; Repsiene, Regina; Amaleviciute-Volunge, Kristina; Karcauskiene, Danute; Slepetiene, Alvyra; Lepane, ViiaArchives of agronomy and soil science2021 / p. 1192 - 1204 https://doi.org/10.1080/03650340.2021.1875130 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Effects of UV-B radiation on molecular weight distribution and fluorescence from humic substances in riverine and low salinity waterLepane, Viia; Persson, T.; Wedborg, M.Estuarine, coastal and shelf science2003 / p. 161-173 : ill https://www.sciencedirect.com/science/article/pii/S0272771402001543 Electrophoretic aggregation of humic acidÜbner, Monika; Lepane, Viia; Lopp, Margus; Kaljurand, MihkelJournal of chromatography A2004 / p. 253-258 : ill Evaluation of freshwater using chromatographic analyses of dissolved organic matter data from the hypertrophic river Vääna, EstoniaLepane, ViiaSustainability2023 / art. 16819 https://doi.org/10.3390/su152416819 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Fluorescence spectroscopy of sedimentary pore-water humic substances : a simple tool for retrospective analysis of lake ecosystemsLeeben, Aina; Mikomägi, Annika; Lepane, Viia; Alliksaar, TiiuJournal of soils and sediments2014 / p. 269-279 : ill https://doi.org/10.1007/s11368-013-0768-1 Heavy metals concentration in snow filtrate and solid phaseHödrejärv, Helvi; Lepane, ViiaKemia-kemi = [Finnish chemistry]1991 / p. 973 https://www.ester.ee/record=b1201067*est Heavy metals in man in the area of cement factoryViitak, Anu; Hödrejärv, Helvi; Varandi, Merje; Lepane, Viia; Saare, L.International Symposium on Trace Elements in Health and Disease, Espoo, Finland, 5-8 June 1990 : abstracts1990 / p. 96 Heavy metals in some Estonian lake sedimentsLepane, Viia; Ott, Roman; Varvas, M.Environmental Contamination : 5-th International Conference, Morges, Switzerland, Sept., 19921992 / p. 84-86 Heavy metals in the lake muds of EstoniaHödrejärv, Helvi; Lepane, ViiaEstonian Curative Muds : workshop, Tallinn, Oct. 22, 19921993 / p. 31-32 High-performance liquid chromatography (HPLC)-size exclusion chromatography (SEC) for qualitative detection of humic substances and dissolved organic matter in mineral soils and peats in LithuaniaJokubauskaite, Ieva; Amaleviciute, Kristina; Lepane, Viia; Slepetiene, Alvyra; Slepetys, Jonas; Liaudanskiene, Inga; Karcauskiene, Danute; Booth, Colin A.International journal of environmental analytical chemistry2015 / p. 508-519 : ill http://dx.doi.org/10.1080/03067319.2015.1048435 High-performance size exclusion chromatographic characterisation of dissolved organic matter from seawater using fluorescense detectionLepane, Viia23rd International Symposium on High Performance Liquid Phase Separations and Related Techniques HPLC'99 : May 30-June 4, 1999, Granada, Spain : book of abstracts. Volume II1999 / p. PB8/30 High-performance size exclusion chromatographic characterization of humic substances and dissolved organic matter from Baltic aquatic environmentLepane, Viia; Kudrjašova, MarinaOil shale2001 / 4, p. 350-372 : ill https://artiklid.elnet.ee/record=b1008453*est High-performance size exclusion chromatography analysis of lake sediment pore-water dissolved organic matterLepane, Viia; Makarõtševa, Natalja; Bonningues, Nicolas; Leeben, AinaHumic Substances - Linking Structure to Functions : proceedings of the 13th Meeting of the International Humic Substances Society : July 30 to August 4, 2006, Universität Karlsruhe2006 / p. 209-212 : ill High-performance size-exclusion chromatographic and spectrometric analysis of dissolved organic matter in lakewater samplesMakarõtševa, Natalja; Lepane, ViiaCECE 2007 : 4th International Interdisciplinary Meeting on Bioanalysis : Brno, November 15-16, 20072007 / p. 30-31 History of anthropogenically mediated eutrophication of Lake Peipsi as revealed by the stratigraphy of fossil pigments and molecular size fractions of pore-water dissolved organic matterLeeben, Aina; Tõnno, Ilmar; Freiberg, Rene; Lepane, Viia; Bonningues, Nicolas; Makarõtševa, Natalja; Heinsalu, Atko; Alliksaar, TiiuHydrobiologia2008 / p. 49-58 : ill https://doi.org/10.1007/978-1-4020-8379-2_6 History of anthropogenically mediated eutrophication of Lake Peipsi as revealed from constituents of sedimentary organic matterLeeben, Aina; Alliksaar, Tiiu; Bonningues, Nicolas; Freiberg, R.; Heinsalu, Atko; Lepane, Viia; Makarõtševa, Natalja; Tõnno, IlmarEuropean Large Lakes Symposium : Ecosystem Changes and their Ecological and Socioeconomic Impacts : September 11-15, 2006, Tartu, Estonia : programme and abstracts2006 / p. 24 HPLC analysis of chromophoric dissolved organic matter in Antarctic soil core : comparison with microbiology dataLepane, Viia; Künnis-Beres, Kai; Gorohhova, Jekaterina; Kaup, EnnSoil Interfaces in a Changing World : 6th ISMOM : International Symposium of Interactions of Soil Minerals with Organic Components and Microorganisms : 26th June – 1st July 2011 Montpellier, France : book of abstracts2011 / p. 88 https://kirjandus.geoloogia.info/en/reference/24217 HPLC approach for elucidating age-related changes of aquatic dissolved organic matter in sediment coreLepane, Viia; Tõnno, Ilmar; Alliksaar, TiiuNoSSS2009 : 5th Conference on Separation and Related Techniques by Nordic Separation Science Society : 26-29 August, 2009, Tallinn University of Technology, Estonia : abstract book and program2009 / p. 110 HPLC approach for revealing age-related changes of aquatic dissolved organic matter in sediment coreLepane, Viia; Tõnno, Ilmar; Alliksaar, TiiuProcedia chemistry2010 / p. 101-108 : ill https://www.sciencedirect.com/science/article/pii/S1876619609004124 HPLC fingerprints of porewater organic compounds as markers for environmental contitionsLepane, ViiaInternational perspectives on global environmental change2012 / p. 311-328 : ill https://www.researchgate.net/publication/221923691_HPLC_Fingerprints_of_Porewater_Organic_Compounds_as_Markers_for_Environmental_Conditions HPLC study of dissolved organic matter dynamics and water quality in River Vääna, EstoniaLepane, Viia; Suursööt, Kristel[IHSS 18 - 18th International Conference of International Humic Substances Society : Kanazawa City, Ishikawa, Japan, September 11 - 16, 2016 : book of abstracts]2016 / [2] p HPLC-SEC and capillary electrophoresis methods for dissolved organic matter separation in environmental samplesLepane, Viia; Leeben, Aina1st International Conference on Aquatic Colloids and Nanoparticles2005 / ? p HPSEC for characterisation of humic substances from different aquatic environmentsLepane, Viia; Morgun, A.; Dmitrenko, O.First Baltic Symposium on Environmental Chemistry : 26-29 September 2001, Tartu, Estonia : abstracts2001 / p. 119-120 The impact of profile genesis and land use of histosol on its organic substance stability and humic acid quality at the molecular leveAmaleviciute-Volunge, Kristina; Volungevicius, Jonas; Ceponkus, Justinas; Platakyte, Rasa; Mockeviciene, Ieva; Slepetiene, Alvyra; Lepane, ViiaSustainability2023 / art. 5921, 22 p https://doi.org/10.3390/su15075921 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Impact of seasonal climate change on optical and molecular properties of river water dissolved organic matter by HPLCLepane, Viia; Väli, Anna-Liisa; Suursööt, KristelThe 17th Meeting of the International Humic Substances Society : book of abstracts : Ioannina, Greece 1-5 September 20142014 / p. 34-35 : ill Impact of seasonal climate change on optical and molecular properties of river water dissolved organic matter by HPLC-SEC and UV-vis spectroscopyLepane, Viia; Depret, Laura; Väli, Anna-Liisa; Suursööt, KristelChemical and Biological Technologies in Agriculture2015 / p. 1-7 : ill http://dx.doi.org/10.1186/s40538-015-0040-6 Interferences in natural water analysis by anodic stripping voltammetryLepane, ViiaKemia 93 : Finnish Chemical Congress and Exhibition, Helsinki, 2.-4. nov. 1993 : abstracts1993 / p. 16 Molecular components of dissolved organic matter distinguished by optical properties and HPLC in the sediments of Lake Tõugjärv, Southern EstoniaLepane, Viia; Makarõtševa, Natalja; Alliksaar, TiiuGeophysical research abstracts2009 / p. 12450 https://meetingorganizer.copernicus.org/EGU2009/EGU2009-12450.pdf Molecular size distribution of metal complexes with pore water dissolved organic matter determined by HPSEC and ICP-MSMakarõtševa, Natalja; Lepane, Viia; Alliksaar, TiiuAdvances in Natural Organic Matter and Humic Substances Research 2008-2010 : XV Meeting of the International Humic Substances Society : Puerto de la Cruz, Tenerife, Canary Islands, 27 June - 2 July 2010 : proceedings. Vol. 32010 / p. 118-119 : ill https://kirjandus.geoloogia.info/en/reference/33006 Multimethod analysis of organic constituents and selected metals in lake sediments and interstitial waterLepane, Viia; Makarõtševa, Natalja; Viitak, Anu; Alliksaar, Tiiu; Havel, J.Euroanalysis XIV : Antwerp (Belgium), 9-14 September 2007 : book of abstracts2007 / p. 112 Off-line determination of trace silver in water samples and standard reference materials by cloud point extraction-atomic absorption spectrometryKilinc, Ersin; Lepane, Viia; Viitak, Anu; Gumgum, BahattinProceedings of the Estonian Academy of Sciences2009 / 3, p. 190-196 Partition of trace metals between inorganic and organic matter fractions in sediment record from Lake PeipsiLepane, Viia; Morriset, Malvina; Viitak, Anu; Laane, Maile; Alliksaar, Tiiu12th Nordic-Baltic IHSS Symposium on Natural Organic Matter in Environment and Technology : Tallinn, Estonia, June 14-17, 2009 : program and abstracts2009 / p. 73 Partitioning of metals between operational fractions in the sediment record from Lake PeipsiLepane, Viia; Morriset, Malvina; Viitak, Anu; Laane, Maile; Alliksaar, TiiuChemistry and ecology2010 / Suppl., p. 35-48 : ill https://doi.org/10.1080/02757540.2010.501031 Programmes and courses of chemistry and materials technology1997 https://www.ester.ee/record=b1358089*est Programmes and courses taught in English [at] Tallinn Technical University 1999/20001999 https://www.ester.ee/record=b1349321*est Raskemetallide foon ja bioakumulatsioon Põhja-EestisHödrejärv, Helvi; Viitak, Anu; Lepane, Viia; Vaarmann, Aini; Treumann, MailiKaasaegse ökoloogia probleemid. Alalhoidlik areng ja looduskeskne elulaad : Eesti VI ökoloogiakonverentsi lühiartiklid, Tartu, 24.-26. aprill 19941994 / lk. 120-124: ill Raskemetallidest Peipsi järve setetesLepane, Viia; Ott, Roman; Hödrejärv, HelviPeipsi järve seisund1990 / lk. 59-61 Raskmetallidest Peipsi järvesHödrejärv, Helvi; Ott, Roman; Lepane, Viia; Vaarmann, AiniEesti NSV Teaduste Akadeemia toimetised. Bioloogia = Известия Академии наук Эстонской ССР. Биология = Proceedings of Academy of Sciences of the Estonian SSR. Biology1989 / lk. 137-144 : ill., joon., tab https://www.ester.ee/record=b1249384*est Reconstruction of organic carbon sources in the palaeoenvironment of a lake : an optical approachLeeben, Aina; Alliksaar, Tiiu; Heinsalu, Atko; Lepane, Viia; Salujõe, Jaana; Veski, SiimThe 23rd International Meeting on Organic Geochemistry (IMOG2007) : Torquay, England, 9-14 September 20072007 / p. 1051-1052 Sedimentary record of heavy metals in Lake Rõuge Liinjärv, southern EstoniaLepane, Viia; Varvas, Mart; Viitak, Anu; Alliksaar, Tiiu; Heinsalu, AtkoEstonian journal of earth sciences2007 / 4, p. 221-232 : ill Separation of interfering substances with ion chromatography on Pb and Cd determinations by flameless AASKaljurand, Mihkel; Viitak, Anu; Lepane, Viia; Treumann, Maili24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 25 Separation of interfering substances with ion chromatography on Pb and Cd determinations by flameless AASViitak, Anu; Lepane, ViiaInternational Conference Instrumental Methods of Analysis Modern Trends and Applications : 19-22 September 1999, Chalkidiki, Greece : conference proceedings. Volume II1999 / p. 563 Similar and different features in the palaeolimnology of two connected shallow large lakes over the last 100 years (north-eastern Europe)Leeben, Aina; Alliksaar, Tiiu; Heinsalu, Atko; Freiberg, Rene; Lepane, Viia; Tõnno, IlmarThe 7th International Shallow Lake Conference : Conservation, Management and Restoration of Shallow Lake Ecosystems Facing Multiple Stressors : Wuxi, China, April 24-28 : programs and abstracts2011 / p. 115-116 Some chemical characteristics of sewage sludges in EstoniaViisimaa, Ludmilla; Lepane, Viia; Viitak, Anu; Viisimaa, MattiTallinna Tehnikaülikooli Toimetised1994 / lk. 68-80 Spectroscopic analysis of chromatographically separated molecular fractions of sedimentary dissolved organic matterLepane, Viia; Hinnov, Mariann; Tõnno, Ilmar; Alliksaar, TiiuGeophysical research abstracts2008 / [2] p Structural analysis of sediments from Lake Peipsi, Estonia, by FTIR and Py-GC/MSMakarõtševa, Natalja; Bikovens, O.; Alliksaar, Tiiu; Lepane, ViiaProgramme and Abstracts : 13th Nordic-Baltic IHSS Symposium. The role of natural organic matter in the environment : Oskarsborg, Norway, June 19-22, 20112011 / p. 30 Techniques involving UV absorption spectroscopy for estimation of structural changes in soil organic matterLepane, Viia; Otsep, Helen; Szajdak, Lech Wojciech; Szczepanski, MarekEGU General Assembly 2021 : vEGU21 : Gather Online : 19–30 April 20212021 / EGU21-15909, 1 p https://doi.org/10.5194/egusphere-egu21-15909 A 10000 year record of sediment porewater dissolved organic matter characteristics from Lake Peipsi as revealed by HPSECMakarõtševa, Natalja; Lepane, Viia; Alliksaar, Tiiu; Heinsalu, AtkoChemistry and ecology2010 / Suppl., p. 13-24 :ill https://www.tandfonline.com/doi/abs/10.1080/02757540.2010.501030 The complementary use of UV, EPR and SEC to study the structural changes of humic substances during wood waste compostingBikovens, O.; Lepane, Viia; Makarõtševa, Natalja; Dizhbite, T.; Telysheva, G.Functions of natural organic matter in changing environment2013 / p. 113-117 Tracking changes in the organic matter in a lake palaeoecosystem : a spectrophotometric approachLeeben, Aina; Alliksaar, Tiiu; Heinsalu, Atko; Lepane, Viia; Veski, SiimOrganic geochemistry2008 / 8, p. 915-918 : ill https://doi.org/10.1016/j.orggeochem.2008.05.004 12th Nordic-Baltic IHSS Symposium on Natural Organic Matter in Environment and Technology : Tallinn, Estonia, June 14-17, 2009 : program and abstracts2009 http://www.ester.ee/record=b2508511*est Vee humiinainete eksklusioonkromatograafiline iseloomustamineLepane, ViiaXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 65 Vee humiinainete kapillaarelektroforeetiline analüüsLepane, Viia; Ebber, Arkadi; Kaljurand, MihkelXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 78-79 : ill Vees lahustunud orgaanilise aine eraldamine ja fraktsioneerimine adsorptsioon- ja eksklusioonkromatograafia abilLepane, ViiaXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 71-72 Vertical distribution of DOM characteristic in sediment porewaters from Lake Peipsi, Estonia, as revealed by liquid chromatographyMakarõtševa, Natalja; Lepane, Viia; Alliksaar, Tiiu12th Nordic-Baltic IHSS Symposium on Natural Organic Matter in Environment and Technology : Tallinn, Estonia, June 14-17, 2009 : program and abstracts2009 / p. 74 XAD usin separation and fraction of dissolved organic matter from seawaterLepane, Viia30th International Symposium on Environmental Analytical Chemistry : book of abstracts2000 / p. 11 Использование инверсионной вольтамперометрии для определения микроэлементов в донных отложенияхLepane, Viia; Hödrejärv, HelviЭлектрохимические средства анализа и охрана окружающей среды : тезисы докладов всесоюзной конференции, 25-27 июня 1989 г1989 / с. 76-78 : рис https://www.ester.ee/record=b1208856*est Определение кадмия, свинца, меди и цинка в грунтовых водах методом инверсионной вольтамперометрииLepane, Viia; Hödrejärv, HelviПерспективные хроматографические и электрохимические методы в санитарной химии : тезисы совещания посвященного 100-летию санитарного контроля в Эстонии, Таллинн-Тарту, 8-10 сентября 1988 г1988 / с. 71-72 https://www.ester.ee/record=b1249625*est Определение содержания свинца в воде методом инверсионной вольтамперометрииLepane, ViiaТринадцатая конференция молодых научных работников Института неорганической химии : тезисы докладов1987 / с. 52 https://www.ester.ee/record=b3828991*est Определение тяжелых металлов в биосфере ЭстонииHödrejärv, Helvi; Viitak, Anu; Ott, Roman; Varandi, Merje; Lepane, Viia; Vaarmann, AiniVI научная конференция по аналитической химии Прибалтийских республик, Белорусской ССР и Калининградской области, Рига, 29 окт.-2 нояб. 1990 : тезисы докладов1990 / с. 195 Применение инверсионной вольтамперометрии в анализе природных водLepane, Viia; Vaarmann, AiniПроблемы промышленной экологии1988 / с. 83-87 Проблемы промышленной экологииPikkov, Lui; Kaps, Tiit; Sillajõe, Aadu; Vares, Toomas; Mölder, Heino; Munter, Rein; Loorits, Hilja; Preis, Sergei; Siirde, Enno; Kann, Aino; Mandel, Mihkel; Liebert, Tiiu; Tauts, Olev; Täht, Riina; Tedersoo, Erge; Piiroja, Eduard; Piir, E.; Friedenthal, Margus; Pappel, Kaie; Köstner, Ado; Palm, Toivo; Jagomägi, A.; Holstinina, Natalja; Kuusik, Rein, keemik; Trikkel, Andres; Veiderma, Mihkel; Metsik, Rein; Merendi, Jüri; Hallik, A.; Talimets, Ellen; Viisimaa, Ludmilla; Hödrejärv, Helvi; Pets, Lydia; Vaganov, Peter; Ott, Roman; Lepane, Viia; Vaarmann, Aini; Palm, Toivo; Paal, Leopold1988 https://www.ester.ee/record=b1222151*est