About: Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The spectrophotometric determination of phosphate based on the ion association komplex with Rhodamin B is H2PO4[Mo3O10] RhB . Linear calibration curves were observed for 1-7 10-6 M H2PO4- (max = 552 nm, e= 1,42 10-5 dm3 mol cm-1) in 1 M sulphuric acid in the presence of 0,01% non-ionic surfactant Brij 35 and 0,03 M sodium molybdate. The detection limits are XD = 12,4 ppb XD = 36,6 ppb (Graham), XDm = 24,4 ppb (Miller) or 25,6 ppb (IUPAC). No interferences at 1x10-4 M H2PO4- were observed for 1000:1 Mg2+, K+, Na+, NH4+, NO3-, SO42-, Cl-, HCO3- and 100:1 Al3+, Fe2+, Ca2+. As (III, V), NO2- and Si (IV) were especially tested as considerable interferents, from which As (III, V) and NO2- interfere above the concentration only which cannot be found in natural waters. The Si (IV) was masked with 0,1 g l-1 tartaric acid. The optimalised method was applied fot the determination of phosphate in drinking and surface water. The spectrophotometric determination of phosphate based on the ion association komplex with Rhodamin B is H2PO4[Mo3O10] RhB . Linear calibration curves were observed for 1-7 10-6 M H2PO4- (max = 552 nm, e= 1,42 10-5 dm3 mol cm-1) in 1 M sulphuric acid in the presence of 0,01% non-ionic surfactant Brij 35 and 0,03 M sodium molybdate. The detection limits are XD = 12,4 ppb XD = 36,6 ppb (Graham), XDm = 24,4 ppb (Miller) or 25,6 ppb (IUPAC). No interferences at 1x10-4 M H2PO4- were observed for 1000:1 Mg2+, K+, Na+, NH4+, NO3-, SO42-, Cl-, HCO3- and 100:1 Al3+, Fe2+, Ca2+. As (III, V), NO2- and Si (IV) were especially tested as considerable interferents, from which As (III, V) and NO2- interfere above the concentration only which cannot be found in natural waters. The Si (IV) was masked with 0,1 g l-1 tartaric acid. The optimalised method was applied fot the determination of phosphate in drinking and surface water. (en) Spektofotometrické microstanovenístanovení fosforečnanů založené na vzniku iontového asociátu s Rhodaminem B ve vodách. (cs)
Title	Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water Spektofotometrické microstanovenístanovení fosforečnanů založené na vzniku iontového asociátu s Rhodaminem B ve vodách. (cs) Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water (en)
skos:prefLabel	Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water Spektofotometrické microstanovenístanovení fosforečnanů založené na vzniku iontového asociátu s Rhodaminem B ve vodách. (cs) Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water (en)
skos:notation	RIV/00216305:26310/08:PU76231!RIV09-MSM-26310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(OC 183)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Moos, Martin Sommer, Lumír
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	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	396458
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/08:PU76231
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phosphate, Rhodamin B, water (en)
http://linked.open.../riv/klicoveSlovo	phosphate Rhodamin B water
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[22A2414FA139]
http://linked.open...i/riv/nazevZdroje	Chemické listy
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20183
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	102
http://linked.open...iv/tvurceVysledku	Moos, Martin Sommer, Lumír
issn	1213-7103
number of pages	2 (xsd:int)
http://localhost/t...ganizacniJednotka	26310
is http://linked.open...avai/riv/vysledek of	Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water Spectrophotometric Microdetermination of Phosphate Based on the Ion Association Complex with Rhodamine B in Water

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