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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)
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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)
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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)
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skos:notation
| - RIV/00216305:26310/08:PU76231!RIV09-MSM-26310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216305:26310/08:PU76231
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - phosphate, Rhodamin B, water (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Moos, Martin
- Sommer, Lumír
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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