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Oskars Purmalis

Observed names: O. Purmalis, Oskars PURMALIS, Purmalis, O., Purmalis, Oskars
ORCID: 0000-0001-9167-0613
Observed ORCID: 0000-0001-9167-0613
OpenAlex ID: A5037554236
Humic substances as surfactants
2009 · Maris Klavins, Oskars Purmalis · Environmental Chemistry Letters · 81
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Properties and structure of raised bog peat humic acids
2013 · Maris Klavins, Oskars Purmalis · Journal of Molecular Structure · 78
Approaches to Estimating Humification Indicators for Peat
2008 · M. Klavins, J. Sire, et al. · Mires and Peat · 55
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Structural Characterization and Chemical Classification of Some Bryophytes Found in Latvia
2013 · Viktorija Maksimova, Laura Klavina, et al. · Chemistry & Biodiversity · 51
Properties of Humic Substances in Composts Comprised of Different Organic Source Material
2022 · Marge Lanno, Maris Klavins, et al. · Agriculture · 46
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The Impact of Humic Substances as Remediation Agents to the Speciation Forms of Metals in Soil
2013 · J. Burlakovs, M. Kļaviņš, et al. · APCBEE Procedia · 43
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Sustainable control of invasive plants: Compost production, quality and effects on wheat germination
2024 · Evelina Niedrite, Linards Klavins, et al. · Journal of Environmental Management · 18
Heavy metal contamination and distribution in the urban environment of Jelgava
2017 · Jovita Pilecka, Inga Grinfelde, et al. · Research for Rural Development/Research for Rural Development (Online) · 17
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Invasive Plants as a Source of Polyphenols with High Radical Scavenging Activity
2025 · Oskars Purmalis, Linards Klavins, et al. · Plants · 16
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Biomass of invasive plants as a resource for the development of the bioeconomy
2024 · Maris Klavins, Oskars Purmalis, et al. · BioResources · 16
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Peat humic acid properties and factors influencing their variability in a temperate bog ecosystem; pp. 35–52
2013 · Maris Klavins, Oskars Purmalis, et al. · Proceedings of the Estonian Academy of Sciences Biology Ecology · 16
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Peat properties, major and trace element accumulation in bog peat in Latvia
2009 · Māris Kļaviņš, Inese Silamiķele, et al. · Baltica · 14
Surface Activity of Humic Acids Depending on Their Origin and Humification Degree
2014 · Māris Klaviņš, Oskars Purmalis · Proceedings of the Latvian Academy of Sciences Section B Natural Exact and Applied Sciences · 13
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Formation and Changes of Humic Acid Properties during Peat Humification Process within Ombrotrophic Bogs
2012 · Oskars Purmalis, Maris Klavins · Open Journal of Soil Science · 13
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Comparative Study of Peat Humic Acids by Using Uv Spectroscopy
2013 · Oskars Purmalis, Māris Kļaviņš · European Scientific Journal ESJ · 12
Differential Thermal Analysis of Peat and Peat Humic Acids
2011 · Oskars Purmalis, Dmitrijs Poršņovs, et al. · 12
Characterization of Humic Acids from Raised Bog Peat
2014 · M. Klavins, O. Purmalis · Latvian Journal of Chemistry · 11
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Hydrothermal carbonization of invasive plant biomass as a tool for its safe utilization and production of artificial humic substances
2024 · Maris Klavins, Linda Ansone-Bertina, et al. · Invasive Plant Science and Management · 8
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Experimental Study of Peat Humification Indicators
2008 · Jānis Šīre, Māris Kļaviņš, et al. · Proceedings of the Latvian Academy of Sciences Section B Natural Exact and Applied Sciences · 7
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Soil Pollution with Trace Elements in Territories of Military Grounds in Latvia
2008 · Ilga Kokorīte, Māris Kļaviņš, et al. · Proceedings of the Latvian Academy of Sciences Section B Natural Exact and Applied Sciences · 7
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Modification and activation of hydrochar obtained by the hydrothermal carbonisation process of invasive plant biomass
2024 · Linda Ansone-Bertina, Lauris Arbidans, et al. · Bioresource Technology Reports · 6
Reviving prospects for lake restoration - investigating the geochemistry of lake Alūksne sediments
2017 · Oskars Purmalis, Juris Burlakovs · Research for Rural Development/Research for Rural Development (Online) · 6
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Sapropeļa kūdras, sapropeļa kokskaidu siltumizolācijas plāksnes un to īpašības
2014 · Vaira Obuka, Aleksandrs Korjakins, et al. · Material Science and Applied Chemistry · 6
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Characterization of interaction between tricyclic structures containing pharmaceuticals, their models and humic substances
2011 · M. Klavins, L. Ansone, et al. · Water Science & Technology · 6
Heavy metal pollution and phytotoxicity of small urban stream sediments
2024 · Gunta Spriņģe, Ineta Grīne, et al. · Sustainable Water Resources Management · 5
Works count: 70
Citation count: 637
H-index: 13
I10-index: 17
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