About: Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods     Goto   Sponge   NotDistinct   Permalink

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Description
  • Metoda postupné tří krokové extrakce vyvinutá v BCR byla aplikována na vzorky homogenizovaného městského prachu a na simulované filtry, připravené z tohoto prachu cestou mokré deposice. Práce je zaměřena na porovnání distribuce stopových prvků v obou vzorcích a na vyhodnocení faktorů, které mohou ovlivňovat spolehlivost výsledků s ohledem na navržený extrakční postup. Extrahované chemické frakce byly analyzovány metodami ICP-OES a GF AAS v závislosti na koncentračních hladinách sledovaných prvků As, Cd, Cr, Mn, Ni a Pb, které byly vybrány podle jejich škodlivého účinu na lidské zdraví. Statistické zpracování výsledků ukazuje na významné rozdíly mezi extrahovanými podíly analytů z městského prachu a z prachu naneseného na filtry, přičemž vyšší byla mobilita některých analytů na filtrech než v samotném prachu. Vliv smáčedla Triton X-100 (0.05% v/v) na extrakční postup byl rovněž sledován. (cs)
  • The modified BCR three-step sequential extraction procedure has been applied to homogenized urban dust samples and to simulated air filters loaded with the prepared urban dust via the wet deposition procedure. This work has been focused on comparative study of the distribution of trace elements in both samples and evaluation of the factors influencing the reliability of results with respect to the proposed extraction procedure. Extracted chemical fractions were analyzed by ICP-OES and GFAAS depending on the concentration levels of investigated trace elements As, Cd, Cr, Mn, Ni, and Pb, selected according to their adverse effect on the human health. Statistically evaluated results indicate significant differences between the extracted portions of analytes in urban dust and simulated air filters, where the mobility of some analytes in simulated air filters was higher than that in urban dust samples. The impact of surfactant Triton X-100 (0.05 vol. %) on the extraction procedure was also investigated.
  • The modified BCR three-step sequential extraction procedure has been applied to homogenized urban dust samples and to simulated air filters loaded with the prepared urban dust via the wet deposition procedure. This work has been focused on comparative study of the distribution of trace elements in both samples and evaluation of the factors influencing the reliability of results with respect to the proposed extraction procedure. Extracted chemical fractions were analyzed by ICP-OES and GFAAS depending on the concentration levels of investigated trace elements As, Cd, Cr, Mn, Ni, and Pb, selected according to their adverse effect on the human health. Statistically evaluated results indicate significant differences between the extracted portions of analytes in urban dust and simulated air filters, where the mobility of some analytes in simulated air filters was higher than that in urban dust samples. The impact of surfactant Triton X-100 (0.05 vol. %) on the extraction procedure was also investigated. (en)
Title
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods (en)
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods (cs)
skos:prefLabel
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods (en)
  • Mobility of Important Toxic Analytes in Urban Dust and Simulated Air Filters Determined by Sequential Extraction and GFAAS/ICP-OES Methods (cs)
skos:notation
  • RIV/60461373:22810/07:00019550!RIV08-MSM-22810___
http://linked.open.../vavai/riv/strany
  • 271-275
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • 67
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 434154
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22810/07:00019550
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • sequential extraction; trace elements; urban dust; air filter; ICP-OES; GFAAS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [35536C8DA339]
http://linked.open...i/riv/nazevZdroje
  • Chemical Papers
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Száková, J.
  • Sysalová, Jiřina
issn
  • 0366-6352
number of pages
http://localhost/t...ganizacniJednotka
  • 22810
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