About: Determination of dissolved reactive and dissolved total phosphorus in water extract of soils

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The simplified acid peroxydisulphate digestion of soil water extract was evaluated for determination of total dissolved phosphorus by molybdenum-blue colorimetry in comparison with direct P-detection in water extract by ICP-AES technique. The results of the colorimetric P detection in water extract without digestion and ICP phosphorus detection were different. The median of values determined by ICP-AES was 1.7 times higher than that of colorimetry, but the correlations between the two measurements were quite close (r=0.993). Differences between the colorimetric phosphorus and ICP-AES phosphorus were irregular, increasing as the phosphorus level in soils decreased. The two-tailed paired t test did not prove any difference in the values between the direct ICP-AES P-detection in water extract of soils and colorimetric P-detection in the acid peroxydisulphate digest. The simplified acid peroxydisulphate digestion of soil water extract was evaluated for determination of total dissolved phosphorus by molybdenum-blue colorimetry in comparison with direct P-detection in water extract by ICP-AES technique. The results of the colorimetric P detection in water extract without digestion and ICP phosphorus detection were different. The median of values determined by ICP-AES was 1.7 times higher than that of colorimetry, but the correlations between the two measurements were quite close (r=0.993). Differences between the colorimetric phosphorus and ICP-AES phosphorus were irregular, increasing as the phosphorus level in soils decreased. The two-tailed paired t test did not prove any difference in the values between the direct ICP-AES P-detection in water extract of soils and colorimetric P-detection in the acid peroxydisulphate digest. (en)
Title	Determination of dissolved reactive and dissolved total phosphorus in water extract of soils Determination of dissolved reactive and dissolved total phosphorus in water extract of soils (en)
skos:prefLabel	Determination of dissolved reactive and dissolved total phosphorus in water extract of soils Determination of dissolved reactive and dissolved total phosphorus in water extract of soils (en)
skos:notation	RIV/00027006:_____/11:00001717!RIV12-MZE-00027006
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(QH82281)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Matula, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav rostlinné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	193822
http://linked.open...ai/riv/idVysledku	RIV/00027006:_____/11:00001717
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	soils; water-extractable phosphorus; colorimetry; ICP-detection; acid peroxydisulphate digestion (en)
http://linked.open.../riv/klicoveSlovo	ICP-detection acid peroxydisulphate digestion colorimetry water-extractable phosphorus soils
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[C59FF94A6FC0]
http://linked.open...i/riv/nazevZdroje	Plant, Soil and Environment
http://linked.open...in/vavai/riv/obor	DF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Innovative control of phosphorus status in agricultural soils from ecological aspects of frugal using natural resources
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Matula, Jiří
issn	1214-1178
number of pages	6 (xsd:int)

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