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Statements

Subject Item
n2:RIV%2F60460709%3A41210%2F09%3A29569%21RIV10-MSM-41210___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
The effect of soil extraction procedures and/or sample pretreatment (drying, freezing of the soil sample) on the extractability of arsenic and its compounds was tested. In the first part, 5 extraction procedures were compared with following order of extractable arsenic portions: 2 M HNO3 >> 0.43 M CH3COOH ≥ 0.05 M EDTA ≥ Mehlich III (0.2 M CH3COOH + 0.25 M NH4NO3 + 0.013 M HNO3 + 0.015 M NH4F + 0.001 M EDTA) extraction >> water). Additionally, two methods of soil solution sampling were compared, centrifugation of saturated soil and the use of suction cups. The results showed that different sample pretreatments including soil solution sampling can lead to different absolute values of mobile arsenic content in soils. However, the interpretation of the data can lead to similar conclusions as apparent from the comparison of the soil solution sampling methods (r=0.79). For determination of arsenic compounds mild extraction procedures (0.05 M (NH4)2SO4, 0.01 M CaCl2, and water) and soil solutio The effect of soil extraction procedures and/or sample pretreatment (drying, freezing of the soil sample) on the extractability of arsenic and its compounds was tested. In the first part, 5 extraction procedures were compared with following order of extractable arsenic portions: 2 M HNO3 >> 0.43 M CH3COOH ≥ 0.05 M EDTA ≥ Mehlich III (0.2 M CH3COOH + 0.25 M NH4NO3 + 0.013 M HNO3 + 0.015 M NH4F + 0.001 M EDTA) extraction >> water). Additionally, two methods of soil solution sampling were compared, centrifugation of saturated soil and the use of suction cups. The results showed that different sample pretreatments including soil solution sampling can lead to different absolute values of mobile arsenic content in soils. However, the interpretation of the data can lead to similar conclusions as apparent from the comparison of the soil solution sampling methods (r=0.79). For determination of arsenic compounds mild extraction procedures (0.05 M (NH4)2SO4, 0.01 M CaCl2, and water) and soil solutio
dcterms:title
Mobility of arsenic and its compounds in soil and soil solution: The effect of soil pretreatment and extraction methods Mobility of arsenic and its compounds in soil and soil solution: The effect of soil pretreatment and extraction methods
skos:prefLabel
Mobility of arsenic and its compounds in soil and soil solution: The effect of soil pretreatment and extraction methods Mobility of arsenic and its compounds in soil and soil solution: The effect of soil pretreatment and extraction methods
skos:notation
RIV/60460709:41210/09:29569!RIV10-MSM-41210___
n3:aktivita
n9:Z n9:P
n3:aktivity
P(GA205/06/0298), Z(MSM6046070901)
n3:cisloPeriodika
0
n3:dodaniDat
n12:2010
n3:domaciTvurceVysledku
n14:2080400 n14:1096338 n14:2227797
n3:druhVysledku
n11:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
326604
n3:idVysledku
RIV/60460709:41210/09:29569
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Arsenic, soil, speciation, extraction, soil solution, soil pretreatment
n3:klicoveSlovo
n7:speciation n7:Arsenic n7:soil%20pretreatment n7:soil%20solution n7:extraction n7:soil
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[96461732CF6E]
n3:nazevZdroje
Journal of Hazardous Materials
n3:obor
n16:DK
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n10:GA205%2F06%2F0298
n3:rokUplatneniVysledku
n12:2009
n3:svazekPeriodika
172
n3:tvurceVysledku
Tlustoš, Pavel Gössler, Walter Száková, Jiřina Najmanová, Jana Frková, Zuzana
n3:zamer
n18:MSM6046070901
s:issn
0304-3894
s:numberOfPages
8
n15:organizacniJednotka
41210