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Search results for: atmospheric aerosols
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Luminescence properties of TeOx thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. The sol was obtained by vigorously stirring precursor solution at 50°C for 2h, then the temperature was raised...
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Influence of pH and low-molecular weight organic compounds in solution on selected spectroscopic and analytical parameters of flowing liquid anode atmospheric pressure glow discharge (FLA-APGD) for the optical emission spectrometric (OES) determination of Ag, Cd, and Pb
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Similar concentration of surfactants in rural and urban areas
PublicationSince surfactants are used in various products, they end up in surface and wastewater. Surfactants may therefore impact ecosystems and living organisms. Actually, only few anionic surfactants and some alkylphenols are regulated. There is no comprehensive evaluation of surfactants in the atmosphere, surfaces and waters of areas of increasing anthropic levels. Here, we measured the levels of cationic, anionic and nonionic surfactants...
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XRD patterns of the V2O5 nanorods after thermal treatment under reducing atmosphere
Open Research DataThe DataSet contains the XRD patterns of V2O5 nanorods after thermal treatment under a reducing atmosphere. Samples were annealed at 450C for 2, 20, and 40h under a reducing atmosphere (94% Ar, 6% H2).
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SEM micrographs of the V2O5 nanorods after thermal treatment under reducing atmosphere
Open Research DataThe DataSet contains the SEM micrographs of V2O5 nanorods after thermal treatment under a reducing atmosphere. Samples were annealed at 450C for 2, 20, and 40h under a reducing atmosphere (94% Ar, 6% H2).
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XRD patterns of the V2O5 coatings after thermal treatment under reducing atmosphere
Open Research DataThe DataSet contains the XRD patterns of V2O5 coatings on the silicon substrate after thermal treatment under a reducing atmosphere. Thin films were annealed at 500C, 600C, and 700C for 10 under a reducing atmosphere (94% Ar, 6% H2).
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SEM micrographs of the V2O5 coatings after thermal treatment under reducing atmosphere
Open Research DataThe DataSet contains the scanning electron microscopy (SEM) micrographs of V2O5 coatings on the silicon substrate after thermal treatment under a reducing atmosphere. Thin films were annealed at 600C and 700C for 10 under a reducing atmosphere (94% Ar, 6% H2).
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1W0.9O3-s precursor calcined under air atmosphere
Open Research DataThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1W0.9O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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Luminescence properties of TeOx-Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of dysprosium ions were added, the nitrates were used as a source of rare-earth ions....
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s precursor calcined under air atmosphere
Open Research DataThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1W0.45Mo0.45O3-s precursor calcined under air atmosphere
Open Research DataThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1W0.45Mo0.45O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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Luminescence properties of TeOx-Tb thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Tb thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of terbium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Thermal behaviour of vanadium xerogel powder and V2O5 nanorods under helium atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the vanadium xerogel powder and V2O5 nanorods obtained at 650C. The information about xerogel powder and V2O5 nanorods synthesis is described in the Journal of Nanomaterials.
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Luminescence properties of TeOx-Eu thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Eu thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of europium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Air Quality Atmosphere and Health
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Determination of ionic conductivity in the Bi-Si-O and Pb-Si-O glasses
PublicationImpedance spectroscopy measurements in various gas atmospheres were carried out in order to explain the doubts about the type of carriers and the mechanism of electrical conductivity in Bi-Si-O and Pb-Si-O glasses. In bismuth silicate glass, a typical ionic conductivity with oxygen ions as charge carriers was observed. The level of electrical conductivity of the glass at 400 °C was 5 × 10−8 S·cm−1 , with the activation energy of...
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The electrical conductivity of pristine, La-, and Nb-doped SFM measured in air and hydrogen atmospheres
Open Research DataThis dataset consists of an Excel sheet with the result of DC4W method of electrical measurements. The measurements were conducted on pristine strontium ferrite molubdate as well as ones doped with La and Nb. Additionally two samples co-doped with La and Ni/Co were analyzed. Pellets were prepared by high temperature sintering at 1400 deg. C, then cut...
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Enhanced acceptor concentration, proton conductivity, and hydration in multicomponent rare‐earth ortho‐niobates
PublicationThe structural properties of (La0.2Nd0.2Sm0.2Gd0.2Eu0.2)1−xCaxNbO4−δ (x = 0–0.05) series have been studied by X-ray powder diffraction at room temperature. The thermal properties were investigated using thermogravimetry, from which the concentration of proton defects was determined. Additionally, dilatometry studies were carried out, from which the thermal expansion coefficients and the phase transition temperature between low-...
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Monitoring of odour nuisance on the adjacent areas to the landfill using fast GC and sensory analysis
PublicationThe paper shows the results of investigation on classification of the atmospheric air samples collected in a vicinity of the landfill during August and September period have been presented. The studies was conducted by the use of Fast GC HERACLES II from AlphaMOS company and sensory analysis. About 86% of the atmospheric air samples ollected were classified correctly using PCA and LDA. Based on a classification of the atmospheric...
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Thermal behavior of VO2/V2O3 nanostructures obtained at 500°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 500°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 1000°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 1000°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 650°C under reducing atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 650°C under a reducing atmosphere (95% Ar 5% H2). The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 400°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 400°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 700°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 700°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 800°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 800°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Thermal behavior of VO2/V2O3 nanostructures obtained at 600°C under argon atmosphere
Open Research DataThe DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures. The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 600°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.
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Recent advances on SOA formation in indoor air, fate and strategies for SOA characterization in indoor air - A review
PublicationRecent studies proves that indoor air chemistry differs in many aspects from atmospheric one. People send up to 90 % of their life indoors being exposed to pollutants present in gas, particle and solid phase. Particle phase indoor is composed of particles emitted from various sources, among which there is an indoor source – secondary chemical reactions leading to formation of secondary organic aerosol (SOA). Lately, researchers'...
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Preparation of Allyl Alcohol Oligomers Using Dipicolinate Oxovanadium(IV) Coordination Compound
PublicationCurrently, new precatalysts for olefin oligomerization are being sought in the group of vanadium(IV) complexes. Thus, the aim of our research was to examine the catalytic activity of the oxovanadium(IV) dipicolinate complex [VO(dipic)(H2O)2] 2 H2O (dipic = pyridine-2,6-dicarboxylate anion) in 2-propen-1-ol oligomerization as well as to characterize oligomerization products using matrix-assisted laser desorption/ionization–time-of-flight...
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Environmental Role of Rime Chemistry at Selected Mountain Sites in Poland
PublicationThe results of field experiments on fog pollutantdeposition enhanced by local mountain climate, completed by thedendrochronological analysis of the forest response, are presentedin this paper. In spite of their low absolute altitude (1,000-1,600 ma.s.l), the Sudetes and the Silesian Beskid form a noticeable orographicbarrier for the airflow of the humid Atlantic air masses.This results in the increase of cloudiness and fog frequency...
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Caffeine detection using CB-PLA electrode after Nd:YAG laser ablation in He atmosphere
Open Research DataThe dataset contains electrochemical studies in form of cyclic voltammetry (CV) and differential pulse voltammetry (DPV) of laser-activated 3D printed CB-PLA electrodes. The ablation of the 3D-printed CB-PLA electrodes was carried out using a pulsed LaserBlast 500 Nd:YAG laser (Quantel, France) operating at 1064 nm and a 6 ns pulse duration.
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Machine learning approach to packaging compatibility testing in the new product development process
PublicationThe paper compares the effectiveness of selected machine learning methods as modelling tools supporting the selection of a packaging type in new product development process. The main goal of the developed model is to reduce the risk of failure in compatibility tests which are preformed to ensure safety, durability, and efficacy of the finished product for the entire period of its shelf life and consumer use. This kind of testing...
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Wykorzystanie różnych form opadów i osadów atmosferycznych do oceny zanieczyszczenia środowiska w różnych regionach geograficznych Polski - część II - rosa = Various forms of atmospheric precipitation and deposits as a measure of environmental pollution in different geographic regions of Poland - part II - dew
PublicationW ramach pracy przeprowadzono analizy 235 próbek rosy i 65 próbek deszczu zebranych na 8 stacjach na terenie Polski w okresie od sierpnia 2004 do listopada 2006 roku. W zależności od położenia oraz charakteru tła emisji zanieczyszczeń stacje pogrupowano na: rolnicze (Wrocław, Dziemiany); miejskie w strefie wybrzeża (Gdańsk, Gdynia, Sopot); miejskie, położone poza strefą wybrzeża (Bytów, Kraków, Mława) Próbki opadu i osadu atmosferycznego...
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Paweł Burdziakowski dr inż.
PeoplePaweł Burdziakowski, PhD, is a professional in low-altitude aerial photogrammetry and remote sensing, marine and aerial navigation. He is also a licensed flight instructor and software developer. His main areas of interest are digital photogrammetry, navigation of unmanned platforms and unmanned systems, including aerial, surface, underwater. He conducts research in algorithms and methods to improve the quality of spatial measurements...
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VOCs absorption from gas streams using deep eutectic solvents – A review
PublicationVolatile organic compounds (VOCs) are one of the most severe atmospheric pollutants. They are mainly emitted into the atmosphere from anthropogenic sources such as automobile exhaust, incomplete fuel combustion, and various industrial processes. VOCs not only cause hazards to human health or the environment but also adversely affect industrial installation components due to their specific properties, i.e., corrosive and reactivity....
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Influence of terpenes on indoor air quality
PublicationThe aim of this study was to investigate air quality in hairdresser salons, focusing on terpenes determination. Terpenes are known reactive volatile organic compounds that contribute to secondary organic aerosol formation. Those compounds are frequently found in cosmetic products as fragrance agents. Hairdresser salons are special kind of environment, where secondary organic aerosol concentration may be elevated. One hairdresser...
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Anthropopressure’s intensification with reference to Arctic ecosystems
PublicationThis paper concerns issue of long range atmospheric transport of pollutants to polar areas and intensification of their toxic effect on biota in the face of climate change. Arctic which was for years seen as a pristine and not affected by antropopressure region became a sink of xenobiotics. Atmospheric circulation facilitates transport of chemicals from Eurasia to Arctic. Influence of climate change on crucial balance of polar...
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Luminescence properties of TeOx-2%Eu1.5%Tb1.5%Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-2%Eu1.5%Tb1.5%Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Luminescence properties of TeOx-2%Eu1.5%Tb1.5%Tm thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-2%Eu1.5%Tb1.5%Tm thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Luminescence properties of TeOx-1%Eu1.5%Tb2.5%Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-1%Eu1.5%Tb2.5%Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Structure and transport properties of donor-doped barium strontium cobaltites
PublicationIn this work, Nb-substituted barium strontium cobaltites Ba0.5Sr0.5Co1-xNbxO3-δ (x = 0 – 0.4) have been fabricated and studied. The structural analysis showed that the Nb content influences the lattice constant as well as the distance between the (Co, Nb) and oxygen atoms. The study of morphology of samples showed that the Nb content does not change the porosity, grain size and morphology of the ceramics. The total electrical conductivity...
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Methane formation over TiO2–based photocatalysts: reaction pathways
PublicationThe effects of organic impurities adsorbed or incorporated into semiconductors structure on the photocatalytic products are noteworthy. For this purpose, the as-prepared Ag, Au and Pdmodified TiO2 samples were exposed to UV-vis irradiation in various gas atmospheres (CO2, N2, 600 ppm CO2 in N2, and 13CO2) in order to clarify the route of CH4 formation in the process of photocatalytic CO2 reduction. In the presented research it...
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Elektroniczne papierosy – (nie)bezpieczne palenie? Cz. 1 Charakterystyka i aspekty zdrowotne
PublicationWedług danych Światowej Organizacji Zdrowia (WHO) z 2015 roku, papierosy pali aż 1,1 miliarda osób, a palenie tytoniu powoduje rocznie śmierć aż 6 milionów ludzi. Uświadamia to skalę problemu i dowodzi, że pomimo licznych akcji społecznych przeciwko paleniu tytoniu, pozostaje on nadal nierozwiązany. W ostatnich latach ogromną popularność zyskały elektroniczne papierosy jako zdrowsza, tańsza i modniejsza alternatywa w stosunku do...
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Identification of pollutants at the adjacent areas to the landfill site using two dimensional gas chromatography with mass spectrometry technique
PublicationMunicipal landfills are considered one of the main sources of air pollutants. In this article is presented the use of a modern analytical technique: a two dimensional gas chromatography to identify the substances in the atmospheric air near a waste processing plant located in Gdansk. In order to determine the types of substances occurring in different atmospheric conditions, the study was conducted from February to April 2016....
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Mobile Systems (Portable, Handheld, Transportable) for Monitoring Air Pollution
PublicationThe monitoring and analysis of atmospheric air pollutants is a rapidly developing branch of analytical chemistry. The in situ analysis of atmospheric air quality using mobile instrumentation is becoming routine. The article provides information on devices used in various kinds of mobile laboratories. It reviews the portable gas chromatographs and handheld devices used for detecting and determining specific harmful substances in...
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APPLICATION OF ULTRAFAST GAS CHROMATOGRAPHY TO RECOGNIZE ODOR NUISANCE
PublicationPotentialities of ultrafast gas chromatography applied to periodical monitoring of odor nuisance originating from a municipal landfill have been examined. The results of investigation on classification of the atmospheric air samples collected in a vicinity of the landfill during winter and summer season have been presented. The investigation was performed using ultrafast gas chromatography of Fast/Flash GC type HERACLES II by Alpha...
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Water and chemical properties of hydrometeors over central european mountains
PublicationAtmospheric pollutants are transferred to the groundby the contribution of various types of hydrometeors. Because ofthe different techniques of measurement, comparative analysesbetween them are often neglected. Hence, the main goal is tocompare water volume and chemistry of different types ofhydrometeors and their role in both: water balance and pollutantsdeposition. The results of water input and atmospheric depositschemistry...
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Monitorowanie i mapowanie zanieczyszczenia powietrza atmosferycznego przez związki z grupy BTEX (benzen, toluen, etylobenzen, ksylen) z wykorzystaniem techniki dozymetrii pasywnej do pobierania próbek analitów = Monitoring and mapping of atmospheric pollutans with the use of passive technique of sampling of BTEX (benzene, ethylbenzene, toluene, xylenes) analytes
PublicationWskutek działalności człowieka do atmosfery dostaje się coraz większa liczba substancji szkodliwych, uznanych za potencjalnie niebezpieczne dla organizmów żywych, głównie z uwagi na ich toksyczność. Do takich substancji zalicza się między innymi związki z grupy BTEX. Chcąc ocenić stopień narażenia populacji na obecność w powietrzu atmosferycznym analitów z grupy BTEX, niezbędne jest monitorowanie poziomu stężeń tych zanieczyszczeń...
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The effect of anthropogenic activity on BTEX, NO2, SO2, and CO concentrations in urban air of the spa city of Sopot and medium-industrialized city of Tczew located in North Poland
PublicationThe major goal of the present study is to compare the air quality of two urban locations situated in Northern Poland – the spa City of Sopot and the medium-industrialized city of Tczew using chemometric methods. As a criterion for the assessment of atmospheric air quality, measurements of benzene, toluene, ethylbenzene and total xylenes were used (collected from atmospheric air using diffusion-type passive samplers) as well as...
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Environmental characteristics of a tundra river system in Svalbard. Part 2: Chemical stress factors
PublicationBacterial communities in the Arctic environment are subject to multiple stress factors, including contaminants, although typically their concentrations are small. The Arctic contamination research has focused on persistent organic pollutants (POPs) because they are bioaccumulative, resistant to degradation and toxic for all organisms. Pollutants have entered the Arctic predominantly by atmospheric and oceanic long-range transport,...
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Determination of polycyclic aromatic hydrocarbons in bulk precipitation andrunoff waters in an urban region (Poland)
PublicationOznaczono 16 wielopierścieniowych węglowodorów aromatycznych w próbkach opadów atmosferycznych (10 stacji zbierania próbek) i wód spływnych (5 stacji) zbieranych na terenie Trójmiasta. Podjęto próbę ustalenia korelacji pomiędzy stężeniem analitów z grupy WWA i intensywnym ruchem pojazdów mechanicznych oraz sposobem ogrzewania mieszkań w okolicach punktu zbierania próbek.