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flotation spectrophotometric determination

Different preconcentrationspectrophotometric 1016 and electrochemical 17 methods are used for trace quantitative determination of Al 3 Present paper shows a flotationspectrophotometric method for Al 3XOCTA ternary ionassociate in to the interface between aqueous and nhexane phase by flotation method The effect of standing time

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  • Flotation Spectrophotometric Determination of Aluminium +

    Flotation Spectrophotometric Determination of Aluminium

    The flotation of the ion association complex was carried out with hexane followed by dissolution in acetone for subsequent spectrophotometric determination The molar absorptivity was 183 × 105

  • Selective FlotationSpectrophotometric Determination +

    Selective FlotationSpectrophotometric Determination

    Spectrophotometry still represents an attractive technique for the determination of metal ions in aqueous media because of its simplicity being inexpensive and more readily available Although a vast number of reagents are available for the Selective FlotationSpectrophotometric Determination

  • Determination of Trace Amounts of Lead Using the Flotation +

    Determination of Trace Amounts of Lead Using the Flotation

    Dec 20 2010 · The present study describes a simple and highly selective method for separation preconcentration and spectrophotometric determination of extremely low concentrations of lead It is based on flotation of a complex of Pb2 ions and Alizarin yellow between aqueous and nhexane interface at pH 6

  • Ion flotationspectrophotometric determination of traces +

    Ion flotationspectrophotometric determination of traces

    Aug 01 1981 · Analytica ChimicaActa 129 1981 237 241 Eisevier Scientific Publishing Company Amsterdam Printed in The Netherlands Short Communication ION FLOTATION SPECTROPHOTOMETRIC DETERMINATION OF TRACES OF CHROMIUMVI MAMORU AOYAMA TOSHIYUKI HOBO and SHIGETAKA SUZUKI Department of Industrial Chemistry Faculty of

  • Flotation and Spectrophotometry Thorough Investigation +

    Flotation and Spectrophotometry Thorough Investigation

    Flotation and Spectrophotometry Thorough Investigation and Application to the Determination of the Total Amounts of Lanthanum and Yttrium in Natural Samples Akl Magda Ali 1 Kabil Mohammed Abdel Ghany 1 Abdallah Amin Mahmoud 1 Ismael Dalia Salah 1

  • Application of 42pyridylazoresorcinol for flotation +

    Application of 42pyridylazoresorcinol for flotation

    Optimum conditions for flotationspectrophotometric determination of iron with 42pyridylazoresorcinol PAR based on a 12 FeIIPAR complex were found to be as follows flotation solvent chloroform shaking time 2 min pH 45±05 concentration of PAR 20×10–4 mol L–1 reducing agent hydroxylamine hydrochloride solvent for the floated compound dimethylsulphoxide

  • Separation via flotation spectrophotometric speciation +

    Separation via flotation spectrophotometric speciation

    An intense clear violet layer was formed after flotation by adding an oleic acid HOL surfactant The composition of the float was 11 VIVHMBPT A highly selective and sensitive spectrophotometric procedure was proposed for the determination of microamounts of VIV as its floated complex

  • FlotationSpectrophotometric Method for the +

    FlotationSpectrophotometric Method for the

    Different preconcentrationspectrophotometric 1016 and electrochemical 17 methods are used for trace quantitative determination of Al 3 Present paper shows a flotationspectrophotometric method for Al 3XOCTA ternary ionassociate in to the interface between aqueous and nhexane phase by flotation method The effect of standing time

  • Selective FlotationSpectrophotometric Determination +

    Selective FlotationSpectrophotometric Determination

    Spectrophotometry still represents an attractive technique for the determination of metal ions in aqueous media because of its simplicity being inexpensive and more readily available Although a vast number of reagents are available for the Selective FlotationSpectrophotometric Determination

  • Sensitive flotationspectrophotometric determination of +

    Sensitive flotationspectrophotometric determination of

    The method has been applied to the determination of osmium in mixtures of platinum metals When xylene is used as flotation agent osmium separates at a different acidity pH 13–5 as a simple ionassociation complex R6G 2 OsCl6 2 The spectrophotometric method involving xylene is less sensitive by a factor of about 2

  • Flotation spectrophotometric determination of aluminium +

    Flotation spectrophotometric determination of aluminium

    Flotation of the complex was carried out with heptane followed by dissolution in NNdimethylformamide DMF for subsequent spectrophotometric determination The molar absorptivity was 292×10 5 mol1 cm1 at 518 nm Beers law was obeyed in the range 580 µglitre and the detection limit was 04 µglitre

  • Flotation Spectrophotometric Determination of Aluminium +

    Flotation Spectrophotometric Determination of Aluminium

    The flotation of the ion association complex was carried out with hexane followed by dissolution in acetone for subsequent spectrophotometric determination The molar absorptivity was 183 × 105

  • Flotationspectrophotometric determination of ruthenium +

    Flotationspectrophotometric determination of ruthenium

    FlotationSpectrophotometric Determination of Ruthenium in the RulVChlorideRhodamine 6GToluene System The reduction of RuO4 in hydrochloric acid has been examined A sensitive flotationspectrophotometric method of the determination of ruthenium based on the ion associate formed by the anionic chloride complex of ruthenium RuCl6 2− with the basic dye Rhodamine 6G R6G has

  • A selective flotationspectrophotometric method for the +

    A selective flotationspectrophotometric method for the

    ARTICLE A selective flotationspectrophotometric method for the determination of nickel using dimethylglyoxime Hamid HashemiMoghaddam Department of Chemistry Islamic Azad University Damghan Branch PO Box 3671639998 Damghan Iran

  • Extraction flotationspectrophotometric determination of +

    Extraction flotationspectrophotometric determination of

    A spectrophotometric method for the determination of Zn in serum based on the extraction flotation of 25bromo2pyridylazo5NpropylNsulfopropylamino phenol 5BrPAPSZnII chelate with the aid of tetrahexylammonium chloride THA as a collector and small nitrogen bubbles has been 01 ml of sample was necessary because preconcentration for Zn in serum was

  • Determination of Trace Amounts of Lead Using the Flotation +

    Determination of Trace Amounts of Lead Using the Flotation

    The present study describes a simple and highly selective method for separation preconcentration and spectrophotometric determination of extremely low concentrations of lead It is based on flotation of a complex of Pb 2 ions and Alizarin yellow between aqueous and nhexane interface at pH 6 The proposed procedure is also applied for

  • Application of 42pyridylazoresorcinol for flotation +

    Application of 42pyridylazoresorcinol for flotation

    Optimum conditions for flotationspectrophotometric determination of iron with 42pyridylazoresorcinol PAR based on a 12 FeIIPAR complex were found to be as follows flotation solvent chloroform shaking time 2 min pH 45±05 concentration of PAR 20×10–4 mol L–1 reducing agent hydroxylamine hydrochloride solvent for the floated compound dimethylsulphoxide

  • Flotationspectrophotometric determination of traces of +

    Flotationspectrophotometric determination of traces of

    A simple fast reproducible and sensitive method for the flotationspectrophotometric determination of Pb2 is reported The method is based on the ternary ionassociation of Pb2 xylenol orange XO and cetyltrimethylammonium bromide CTAB which is floated at interface of aqueous phase and nhexane by shaking the separating funnel By discarding the aqueous solution the more dense phase

  • Flotationspectrophotometric determination of mercury in +

    Flotationspectrophotometric determination of mercury in

    This paper describes a simple and highly selective method for separation preconcentration and spectrophotometric determination of trace amounts of mercury The method is based on the flotation of an ionassociate of HgI42 and ferroin between aqueous and nheptane interface at pH 5

  • Development of a flotationspectrophotometric method +

    Development of a flotationspectrophotometric method

    Abstract A new simple and sensitive flotationspectrophotometric method for the determination of cetylpyridinium chloride CPC is reported The method is based on the formation of an ion associate between CPC and Orange II OR which is floated in the interface of aqueous phase and nhexane by vigorous shaking

  • Sensitive flotationspectrophotometric determination of +

    Sensitive flotationspectrophotometric determination of

    A method of flotation separation with subsequent sensitive spectrophotometric determination of niobium is developed In the presence of oxalate niobium and 35dinitrocatechol form an anionic complex able to associate with Rhodamine B RB The niobium compound is floated with cyclohexane dissolved in acetone and the absorbance of the solution is measured at 555 nm

  • Flotationspectrophotometric determination of palladium +

    Flotationspectrophotometric determination of palladium

    Flotationspectrophotometric determination of palladium with thiocyanate and Methylene Blue Z Marczenko and M Jarosz Abstract A sensitive and precise method for the determination of microgram amounts of palladium based on the ion associate of the anionic palladiumIIthiocyanate complex with Methylene Blue MB has been developed

  • FlotationSpectrophotometric Determination of Vanadium +

    FlotationSpectrophotometric Determination of Vanadium

    The separated and washed compound readily dissolves in acetone giving an intensely coloured solution which forms the basis for a sensitive spectrophotometric determination of vanadium The molar absorptivity is 21x105 mol1 cm1 at 555 nm and the detection limit is 3ngml Beers law is obeyed up to a vanadium concentration of 03 jigml

  • Determination of thalliumI by flotation +

    Determination of thalliumI by flotation

    Determination of thalliumI by flotationspectrophotometric method using iodide and rhodamine B Mohammad Said Hosseini Yousef Naseri PMID 14640448 Abstract A method for the trace amount determination of TlI via its preconcentration is proposed The method is based on the reaction of iodide TlI and Rhodamine B in a weakly acidic

  • Extraction flotationspectrophotometric determination of +

    Extraction flotationspectrophotometric determination of

    A spectrophotometric method for the determination of Zn in serum based on the extraction flotation of 25bromo2pyridylazo5NpropylNsulfopropylamino phenol 5BrPAPSZnII chelate with the aid of tetrahexylammonium chloride THA as a collector and small nitrogen bubbles has been 01 ml of sample was necessary because preconcentration for Zn in serum was

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