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determination thallium flotation

determination thallium flotation

  • Determination of thallium(I) by flotation

    Determination of thallium(I) by flotationspectrophotometric method using iodide and rhodamine B by Mohammad Said Hosseini, Yousef Naseri Analytical sciences : the international journal of the Japan Society for Analytical Chemistry Read moreFlotation separation and electrothermal atomic absorption spectrometric determination of thallium in wastewater samples Hosseini MS, Chamsaz M, Raissi H, Naseri Y Ann Chim, 96(12):109116, 01 Jan 2006 Cited by: 1 article | PMID: Determination of thallium(I) by flotationRequest PDF | Determination of Thallium(I) by FlotationSpectrophotometric Method Using Iodide and Rhodamine B | A method for the trace amount determination ofDetermination of Thallium(I) by Flotation

  • Determination of thallium(I) by flotation

    Determination of thallium(I) by flotationspectrophotometric method using iodide and rhodamine B 来自 ResearchGate 喜欢 0 阅读量: 13 作者: MS Hosseini,Y Naseri 展开 摘要: A method for the trace amount determination of Tl(I), via itsThe detection limit (DL) was 47 x 10(8) mol l(1) and the RSD (n = 5) for 4 x 10(7) mol l(1) of Tl(I) was 334% None of the alkaline cations was interfered, and the interference of many other metal ions was eliminated via ionexchange separation using a cationexchanger resin, Amberlite IR120, before the flotation stepDetermination of thallium(I) by flotationETAAS determination of thallium and silver from water matrix after colloidal precipitate flotation using lead(II) hexamethylenedithiocarbamate October 2001 Journal of(PDF) ETAAS determination of thallium and silver from

  • Determination of thallium traces from aqueous solutions

    Flotation Method for Selective Separation of Silver, Cadmium, Chromium, Manganese, Thallium, and Zinc from Aragonite Before Atomic Absorption Spectrometric Determination Article Jan 91A new selective chromogenic reagent for the spectrophotometric determination of thallium (I) and (III) and its separation using flotation and the solidphase extraction on polyurethane foam Anal Sci, 19(9), 1269–1275 (7 pages)Thallium determination using catalytic redox reactionA sensitive analytical method for the determination of dimethyl thallium (CH 3) 2 Tl + in seawater samples by positive thermal ionization isotope dilution mass spectrometry (PTI IDMS) was developed by Schedlbauer and Heumann using a strongly basic anion exchanger This is the first time that this species could be detected in environmental samplesDetermination of thallium in water samples ScienceDirect

  • Determination of thallium at ultratrace levels in water

    A spectrophotometric determination was attained as described above in the general procedure Determination of Tl in urine samples Thallium may enter human body either deliberately as a component of drug or through contamination in water or food etc Thus, its quantification in biological fluid is anticipatedThe detection limit (DL) was 47 x 10(8) mol l(1) and the RSD (n = 5) for 4 x 10(7) mol l(1) of Tl(I) was 334% None of the alkaline cations was interfered, and the interference of many other metal ions was eliminated via ionexchange separation using a cationexchanger resin, Amberlite IR120, before the flotation stepDetermination of thallium(I) by flotationDetermination of thallium(I) by flotationspectrophotometric method using iodide and rhodamine B by Mohammad Said Hosseini, Yousef Naseri Analytical sciences : the international journal of the Japan Society for Analytical Chemistry Read more related scholarlyDetermination of thallium(I) by flotation

  • (PDF) Determination of total thallium in fresh water by

    Talanta 46 (1998) 1321 – 1328 Determination of total thallium in fresh water by electrothermal atomic absorption spectrometry after colloid precipitate flotation Trajc' e Stafilov *, Katarina C& undeva Institute of Chemistry, Faculty of Science, St Cyril and Methodius Uni6ersity, PO Box 162, 91001 Skopje, Macedonia Received 25 April 1997; received in revised form 26 NovemberA new selective chromogenic reagent for the spectrophotometric determination of thallium (I) and (III) and its separation using flotation and the solidphase extraction on polyurethane foam Anal Sci, 19(9), 1269–1275 (7 pages)Thallium determination using catalytic redox reactionDetermination of thallium(I) by flotation–spectrophotometric method using iodide and rhodamine B Anal Sci , 19 ( 2003 ) , pp 1505 1508 CrossRef View Record inDevelopment of surfactant assisted kinetic method for

  • A novel optical chemical sensor for thallium(III

    Determination of thallium(I) by flotationspectrophotometric method using iodide and rhodamine B Anal Sci , 19 ( 2003 ) , pp 1505 1508 CrossRef View Record inA glassy carbon electrode (GCE) coated with Langmuir–Blodgett (LB) film of pallylcalix[4]arene is described for simultaneous determination of traces of thallium and cadmium in environmental waterThe LB film electrode in a 01 M KH 2 PO 4 solution shows a linear voltammetric response in the range of 5–250 μg l −1 for thallium and 10–300 μg l −1 forDetermination of thallium and cadmium on a chemicallyThallium is a trace element that occurs mostly in sulfur containing ores The common oxidation states of thallium are +1 and +3, respectively The determination of thallium (T1) is of importance due to its wide application as a catalyst, in making alloys, optical lenses, jewelry, lowThallium determination using catalytic redox reaction

  • Thallium speciation in plant tissues—Tl(III) found in

    Therefore, the determination of chemical species of thallium in the environment is important and the interest in it has increased considerably during the last few years In comparison to Tl(III), monovalent thallium is thermodynamically more stable and less reactive, which makes it the dominating form of Tl, but not the only one existing in theHosseini MS, Naseri Y (2003) Determination of thallium(I) by flotationspectrophotometric method using iodide and Rhodamine B Anal Sci 19:1505–1508 CAS Article Google Scholar 36 Hür D, Ekti SF, Say R (2007) NAcylbenzotriazole mediated synthesis of some methacrylamido amino acids Lett Org Chem 4(8):585–587Synergistic thallium and iodine memorybased cryogelTalanta 46 (1998) 1321 – 1328 Determination of total thallium in fresh water by electrothermal atomic absorption spectrometry after colloid precipitate flotation Trajc' e Stafilov *, Katarina C& undeva Institute of Chemistry, Faculty of Science, St Cyril and Methodius Uni6ersity, PO Box 162, 91001 Skopje, Macedonia Received 25 April 1997; received in revised form 26 November(PDF) Determination of total thallium in fresh water by

  • A new selective chromogenic reagent for the

    A new selective chromogenic reagent for the spectrophotometric determination of thallium(I) and (III) and its separation using flotation and the solidphase extraction on polyurethane foam AbouElSherbini KS(1), Mostafa GA, Hassanien MM Author information: (1)Department of Inorganic Chemistry, National Research Centre, Dokki, Cairo, EgyptCo(HMDTC)3 was shown as a col lector with a significant hydrophobility, which is an important criterion for a successful flotation The excellent recoveries of thallium evidence the success fulness of the method recommended The procedure is rapid (about 25–30 min) and extends the range of conventional AAS determination of thallium(PDF) Separation of Tl(I) and Tl(III) from EnvironmentalDetermination of thallium(I) by flotation–spectrophotometric method using iodide and rhodamine B Anal Sci , 19 ( 2003 ) , pp 1505 1508 CrossRef View Record inDevelopment of surfactant assisted kinetic method for

  • Determination of thallium and cadmium on a chemically

    A glassy carbon electrode (GCE) coated with Langmuir–Blodgett (LB) film of pallylcalix[4]arene is described for simultaneous determination of traces of thallium and cadmium in environmental waterThe LB film electrode in a 01 M KH 2 PO 4 solution shows a linear voltammetric response in the range of 5–250 μg l −1 for thallium and 10–300 μg l −1 forThallium is a trace element that occurs mostly in sulfur containing ores The common oxidation states of thallium are +1 and +3, respectively The determination of thallium (T1) is of importance due to its wide application as a catalyst, in making alloys, optical lenses, jewelry, lowThallium determination using catalytic redox reactionThe proposed method was employed for determination of thallium in a standard solution The linear range was at 1–250 ng mL −1, and relative standard deviation for the method reached a value of 42 % (ArbabZavar et al 2009) The majority of studies focused on the determination of thallium were conducted in water matricesPresence of thallium in the environment: sources of

  • Synergistic thallium and iodine memorybased cryogel

    Hosseini MS, Naseri Y (2003) Determination of thallium(I) by flotationspectrophotometric method using iodide and Rhodamine B Anal Sci 19:1505–1508 CAS Article Google Scholar 36 Hür D, Ekti SF, Say R (2007) NAcylbenzotriazole mediated synthesis of some methacrylamido amino acids Lett Org Chem 4(8):585–5151 Introduction Thallium belongs to the group of very toxic elements Monovalent thallium had received much more attention than Tl(III), but both forms are toxic to humans, plants and animals and the redox state can markedly affect Tl toxicity, Tl(III) being a few thousand times more toxic than Tl(I) , The mechanism of monovalent thallium ion toxicity is wellknown andThallium speciation in plant tissues—Tl(III) found inflotation separation of Ag, Cd, Cr, Mn, Tl and Zn in traces from aragonite and their determination by flame (FAAS) or electrothermal atomic absorption spectrometric (ETAAS) is presented The interference of Ca as matrix element on Ag, Cd, Cr, Mn, Tl and Zn atomic absorption spectrometric (AAS) determination was investigatedELECTROTHERMAL ATOMIC ABSORPTION

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