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National Repository of Grey Literature 61 records found  beginprevious38 - 47nextend  jump to record: Search took 0.01 seconds. 
Comparison of concentration of ions in PM1 aerosol sampled on nitrate cellulose and teflon filters
 Kořínková, Alena ; Mikuška, Pavel ; Večeřa, Zbyněk ; Křůmal, Kamil
Concentration of ions in PM1 aerosol sampled on nitrate cellulose and teflon filters were studied in this work.
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Chemical composition and volatility of essential oils investigated in frame of study: Saving of culture heritage on paper
 Kubátková, Nela ; Křůmal, Kamil ; Večeřa, Zbyněk ; Mikuška, Pavel
Chemical composition of essential oils and concentrations of individual components in gas phase were presented in this contribution.
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Saccharides in PM2.5 aerosols in Brno
 Křůmal, Kamil ; Kubátková, Nela ; Mikuška, Pavel ; Večeřa, Zbyněk
Contribution summarizes the concentrations of saccharides (monosaccharides, disaccharides and sugar alcohols) in PM2.5 aerosols in urban area during different seasons (winter, spring,summer and autumn 2010 and winter 2011). We optimized conditions for the extractions of saccharides from quartz filters.
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Seasonal variations of metals and ions in PM1 aerosol in Brno and Šlapanice
 Mikuška, Pavel ; Křůmal, Kamil ; Vojtěšek, Martin ; Kubátková, Nela ; Večeřa, Zbyněk
Contribution compares the concentrations of metals and ions in atmospheric aerosols fraction PM1 in Brno and Šlapanice and identifies emission sources of aerosols.
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Chemical composition of atmospheric aerosol PM2.5 in Ostrava
 Mikuška, Pavel ; Křůmal, Kamil ; Kubátková, Nela ; Večeřa, Zbyněk
Contribution deals with the study of chemical composition of atmospheric aerosols fraction PM2.5 in Ostrava-Radvanice with focus on analysis selected organic compounds, so-called molecular markers that are used for identification of emission sources of aerosols.
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Comparison of concentrations of ions sampled on cellulose and teflon filters
 Kořínková, Alena ; Mikuška, Pavel ; Večeřa, Zbyněk ; Křůmal, Kamil
Determination of chloride, fluoride, nitrate, sulfate, oxalate and ammonium bounded to aerosol by sampling on cellulose filters is influenced by positive and negative interferences of gaseous pollutants. Interferences of gaseous pollutants during sampling of aerosols on teflon filters were eliminated by including of annular diffusion denuder in front of the filter.
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Analysis of organic markers in atmospheric aerosol fraction PM2.5 in Ostrava-Radvanice and identification of emission sources
 Mikuška, Pavel ; Křůmal, Kamil ; Kubátková, Nela ; Večeřa, Zbyněk
Atmospheric aerosols fraction PM2.5 sampled in Ostrava-Radvanice during winter 2012 were analysed for selected organic compounds, so-called molecul markers that serve as indicators of main emission sources of aerosols, especially burning of biomass, fossil fuels, wood, traffic etc.
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Seasonal variation in concentrations of metals and ions in urban aerosol in Brno and Šlapanice
 Mikuška, Pavel ; Křůmal, Kamil ; Vojtěšek, Martin ; Večeřa, Zbyněk
Urban aerosol particles in the size fraction PM1 were collected in Brno and Šlapanice in winter and summer of 2009 and 2010. Aerosols were analysed for ions and metals. Local traffic in summer and coal and wood combustion during household heating in winter were identified as the main emission sources of aerosols in both towns. Secondary aerosol components formed a significant part of aerosol during the whole year.
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Analysis of saccharides and markers of wood combustion in atmospheric aerosols
 Kubátková, Nela ; Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
Present study deals with the analysis of saccharides (monosaccharides, disaccharides and alditols), monosaccharide anhydrides and markers of biomass and wood combustion in atmospheric aerosol and comparison of their concentrations in term of seasons.
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Comparison of concentrations of organic compounds in PM1 aerosol in Brno and Šlapanice
 Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
In this work the organic compounds and organic markers used for the identification of sources of aerosols were monitored. Monosaccharide anhydrides are emitted from biomass combustion, polyaromatic hydrocarbons from traffic and incomplete combustion, hopanes from traffic and coal combustion, steranes from traffic and fatty acids from cooking.
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National Repository of Grey Literature : 61 records found   beginprevious38 - 47nextend  jump to record:
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