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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Determination of nonylphenol and its isomers in waters
 Sedláček, Jaroslav ; Mravcová, Ludmila (referee) ; Vávrová, Milada (advisor)
This diploma thesis is focused on the issue of nonylphenol, degradation product of surfactants. Nonylphenol however most often arises in wastewater treatment plants predominantly during the microbial degradation of nonylphenol ethoxylates used in industry. It is a substance highly bioaccumulative, toxic predominantly to aquatic organisms. Furthermore, it belongs among hormone disruptors. The detailed research was prepared, on the basis which experimental part of diploma thesis was solved. Nonylphenol was determined in samples of the wastewater. The solid phase extraction (SPE) was used for the isolation of the analyte and purification of the extract. The final determination was performed on the gas chromatography with tandem mass spectrometry with time of flight analyzer (TOF). All steps of the preanalytical and the analytical procedure were optimized.
Detailed record
Determination of nonylphenol and its isomers in waters
 Sedláček, Jaroslav ; Mravcová, Ludmila (referee) ; Vávrová, Milada (advisor)
This diploma thesis is focused on the issue of nonylphenol, degradation product of surfactants. Nonylphenol however most often arises in wastewater treatment plants predominantly during the microbial degradation of nonylphenol ethoxylates used in industry. It is a substance highly bioaccumulative, toxic predominantly to aquatic organisms. Furthermore, it belongs among hormone disruptors. The detailed research was prepared, on the basis which experimental part of diploma thesis was solved. Nonylphenol was determined in samples of the wastewater. The solid phase extraction (SPE) was used for the isolation of the analyte and purification of the extract. The final determination was performed on the gas chromatography with tandem mass spectrometry with time of flight analyzer (TOF). All steps of the preanalytical and the analytical procedure were optimized.
Detailed record

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