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Titolo:
PRECONCENTRATION OF TRACE AMOUNTS OF TUNGSTEN ON AMBERLITE XAD-7 FOR ITS SPECTROPHOTOMETRIC DETERMINATION IN HOT-SPRING WATER
Autore:
SOYLAK M; ELCI L; DOGAN M;
Indirizzi:
ERCIYES UNIV,FAC ART & SCI,DEPT CHEM KAYSERI 38039 TURKEY
Titolo Testata:
Fresenius' journal of analytical chemistry
fascicolo: 2-3, volume: 351, anno: 1995,
pagine: 308 - 310
SICI:
0937-0633(1995)351:2-3<308:POTAOT>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
ATOMIC-ABSORPTION SPECTROMETRY; EXTRACTION; METALS; NICKEL; RESIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
M. Soylak et al., "PRECONCENTRATION OF TRACE AMOUNTS OF TUNGSTEN ON AMBERLITE XAD-7 FOR ITS SPECTROPHOTOMETRIC DETERMINATION IN HOT-SPRING WATER", Fresenius' journal of analytical chemistry, 351(2-3), 1995, pp. 308-310

Abstract

A preconcentration procedure, using a short column loaded with Amberlite XAD-7, is proposed for the spectrophotometric determination of traces of tungsten. The procedure is based on the retention of tungsten on the resin after its reduction to a W(V)-thiocyanate complex with tin(II) chloride solution. Interference effects have been shown to be neglible for foreign ions including Ca2+, Mg2+, Na+, SO42-, F-, NO3-, Cu2, Fe3+ and Mo6+ The procedure has been applied to hot spring water with satisfactory results (Recovery > 95%; relative standard deviation <5%; relative error < 3%).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/04/20 alle ore 20:39:07