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  • Sekvenční extrakční test, známý jako BCR postup, byl použit k hodnocení vyluhovatelnosti těžkých kovů (Zn, Cd, Pb, Cu) z metalo organického sorbentu - kovového humátu s těmito kovy. Sekvenční test umožňuje rozlišit mezi jednotlivými frakcemi těžkých kovů, jmenovitě frakce kysele extrahovaná, frakce vázaná na oxidy železa a frakci vázanou na organickou hmotu. Bylo prokázáno že těžké kovy se váží převážně na oxidy Fe a organickou hmotu a tedy mohou být relativně těžko uvolňovány do prostředí. BCR sekvenční extrakční test vykázal velice dobrou opakovatelnost při aplikaci na zatížený (kovy zatížený) sorbent - relativní standardní odchylky byly nižší než 10%. (cs)
  • The sequential extraction test, known as a BCR procedure, was used to assess a leachability of heavy metals (Zn, Cd, Pb, Cu)mfrom the metallo-organic sorbent - iron humate with these metals. The sequenrial test allowed to discriminate between various fractions of heavy metals, namely the acid-extractable fraction, the fraction bound to Fe oxides, and the fraction bound to organic matter. It was proven that the heavy metals are bound mainly to Fe oxides and organic matter, and thus they may be relatively hardly liberated into the environment.The BCR sequential extraction test exhibited a very good repeatability, when it was applied to the loaded sorbent-relative standard deviations were typically lower than 10%.
  • The sequential extraction test, known as a BCR procedure, was used to assess a leachability of heavy metals (Zn, Cd, Pb, Cu)mfrom the metallo-organic sorbent - iron humate with these metals. The sequenrial test allowed to discriminate between various fractions of heavy metals, namely the acid-extractable fraction, the fraction bound to Fe oxides, and the fraction bound to organic matter. It was proven that the heavy metals are bound mainly to Fe oxides and organic matter, and thus they may be relatively hardly liberated into the environment.The BCR sequential extraction test exhibited a very good repeatability, when it was applied to the loaded sorbent-relative standard deviations were typically lower than 10%. (en)
Title
  • Assessment of heavy metals leachability from metalloorganic sorbent-iron humate- with the aid of sequential extraction test
  • Assessment of heavy metals leachability from metalloorganic sorbent-iron humate- with the aid of sequential extraction test (en)
  • Stanovení vyluhovatelnosti těžkých kovů z metaloorganických sorbentů - kovových humátů ? pomocí sekvenčního extrakčního testu (cs)
skos:prefLabel
  • Assessment of heavy metals leachability from metalloorganic sorbent-iron humate- with the aid of sequential extraction test
  • Assessment of heavy metals leachability from metalloorganic sorbent-iron humate- with the aid of sequential extraction test (en)
  • Stanovení vyluhovatelnosti těžkých kovů z metaloorganických sorbentů - kovových humátů ? pomocí sekvenčního extrakčního testu (cs)
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  • RIV/44555601:13440/04:00003082!RIV06-GA0-13440___
http://linked.open.../vavai/riv/strany
  • 497-501
http://linked.open...avai/riv/aktivita
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  • P(GA203/03/0922)
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  • 3
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  • 555457
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  • RIV/44555601:13440/04:00003082
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  • heavy metals; sequential extraction test (en)
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  • GB - Spojené království Velké Británie a Severního Irska
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  • [993B6C1DCF10]
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 62
http://linked.open...iv/tvurceVysledku
  • Janoš, Pavel
  • Rejnek, Jaroslav
  • Herzogová, Lucie
issn
  • 0039-9140
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http://localhost/t...ganizacniJednotka
  • 13440
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