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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Needles as bioindicators for assessing contamination levels of PAHs
 Mikulíková, Iva ; Zlámalová Gargošová, Helena (referee) ; Vávrová, Milada (advisor)
Bioindicators are used to monitor the level of the environmental pollution. Plant bioindicators are most frequently used, particularly mosses, lichens and conifers. This thesis focuses of the monitoring of polycyclic aromatic hydrocarbons alkyl-derivates concentration in the needles, that were taken in different locations in the Czech Republic. Analytes were extracted by mixture of n-hexane and dichlormethane. The acquired extract was cleaned up by column chromatography with activated silicagel and florisil. Gas chromatography - mass spectrometry was used for final analysis.
Detailed record
Needles as bioindicators for assessing contamination levels of PAHs
 Mikulíková, Iva ; Zlámalová Gargošová, Helena (referee) ; Vávrová, Milada (advisor)
Bioindicators are used to monitor the level of the environmental pollution. Plant bioindicators are most frequently used, particularly mosses, lichens and conifers. This thesis focuses of the monitoring of polycyclic aromatic hydrocarbons alkyl-derivates concentration in the needles, that were taken in different locations in the Czech Republic. Analytes were extracted by mixture of n-hexane and dichlormethane. The acquired extract was cleaned up by column chromatography with activated silicagel and florisil. Gas chromatography - mass spectrometry was used for final analysis.
Detailed record

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