National Repository of Grey Literature 61 records found  beginprevious36 - 45nextend  jump to record: Search took 0.00 seconds. 
Seasonal variations of concentrations of saccharides in PM2.5 aerosol in urban area
Křůmal, Kamil ; Kubátková, Nela ; Mikuška, Pavel ; Večeřa, Zbyněk
The concentrations of saccharides (monosaccharides, disaccharides and sugar alcohols) in PM2.5 aerosol in Brno at four seasons (spring, summer, autumn and winter 2010 and winter 2011) were observed.
Organic compounds in PM2,5 aerosol in Ostrava
Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
The chemical composition (monosaccharide anhydrides, resin acids, methoxyphenols, saccharides, hopanes, steranes and polyaromatic hydrocarbons) of PM2.5 aerosols in Ostrava-Radvanice with the intention of analysis of organic markers using for identification of emission sources of aerosols was obtained.
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.
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.
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.
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.
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.
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.
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.
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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