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Ion Flotationspectrophotometric Determination Of Traces Of Flotation From Kenya

Aug 01, 1981 Ion flotation is used to concentrate chromium(VI) in the range 3–70μg l-1 from 14 samples. The chromium(III)—diphenylcarbazone complex formed by react

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  • Flotation-spectrophotometric determination of traces of
    Flotation-spectrophotometric determination of traces of

    A simple, fast, reproducible and sensitive method for the flotation-spectrophotometric determination of Pb2+ is reported. The method is based on the ternary ion-association of Pb2+, xylenol orange (XO) and cetyltrimethylammonium bromide (CTAB) which is floated at interface of aqueous phase and n-hexane by shaking the separating funnel. By discarding the aqueous solution (the more dense phase

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  • Flotation-spectrophotometric determination of trace of
    Flotation-spectrophotometric determination of trace of

    Flotation-spectrophotometric determination of trace of germanium with isochromatic dye ion-pairs formed by rhodamine 6G and tetrabromofluorescein. Xingru Z(1), Shuxuan L, Bencheng Z. Author information: (1)Department of Medico-chemistry, Hebei Medical College for Continuing Education, Baoding, People's Republic of China

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  • Flotation-Spectrophotometric Determination of Trace
    Flotation-Spectrophotometric Determination of Trace

    A simple, sensitive and reproducible flotation-spectrophotometric method for the determination of thorium is reported. The method is based on the ion-associate formation between thorium, xylenol

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  • Selective flotation-spectrophotometric determination of
    Selective flotation-spectrophotometric determination of

    Beer's law was obeyed over the range 3-400 ppb at 545 nm. The analytical parameters affecting the flotation process and hence the determination of copper traces were reported. Also, the structure of the isolated solid complex and the mechanism of flotation were suggested

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  • Flotation-spectrophotometric method for determining
    Flotation-spectrophotometric method for determining

    The conditions for the formation of a suitable coloured palladium ion-association complex with a basic dye have been examined, and a spectrophotometric method developed for the determination of palladium with bromide and Rhodamine 6G (R6G). Benzene is used for flotation and dimethylformamide for dissolution of the ion-association complex

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  • Flotation–Spectrophotometric Method for Separation
    Flotation–Spectrophotometric Method for Separation

    Summary: A flotation–spectrophotometric method for the determination of Cu2+ has been developed. The flotation process is based on the formation of a ternary ion-associate between Cu2+, methylthymol blue (MTB) and cetyltrimethylammonium bromide (CTAB) which is floated at the interface of aqueous phase and n–hexane by shaking in a separating

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  • Flotation-Spectrophotometric Method for the Determination
    Flotation-Spectrophotometric Method for the Determination

    A simple, fast, reproducible and sensitive method for the flotation- spectrophotometric determination of Al3+ is reported. The apparent molar absorptivity (ε) of the ion associate was determined

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  • Ion Flotation Spectrophotometric Determination of Trace
    Ion Flotation Spectrophotometric Determination of Trace

    Abstract: This paper describes ion flotation spectrophotometric determination of trace amount of cadmium ion in water modified simplex method (MSM) of multifactor optimization control by means of IBM-PC computer. The optimum condition of determination of cadmium ion can be obtained. An ion flotation spectrophotometric method for determination cadmium ion in water has linearity range

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  • Flotation-spectrophotometric determination of palladium
    Flotation-spectrophotometric determination of palladium

    The composition of the ion associate has been established as [MB +] 2 [Pd(SCN) 4 2–]. The proposed method has been applied to the determination of trace amounts of palladium in high-purity silver after its preliminary separation from the matrix as palladium dimethylglyoximate

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  • Determination of traces of uranium in sea water after
    Determination of traces of uranium in sea water after

    Uranium in sea water is separated by froth flotation of the uranium(VI)-Arsenazo III-Zephiramine ion-adduct and then determined by neutron activation or spectrophotometric method using the uranium(IV)-Arsenazo III complex. Results of the analysis of Pacific coastal samples by the two methods are in good agreement; an average value of 3.0μg U per liter was obtained

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  • Flotation-Spectrophotometric Determination of
    Flotation-Spectrophotometric Determination of

    Keywords Vanadium, flotation separation, spectrophotometric determination, vegetable analysis 3,5-dinitrocatech ol, Rhodamine B, Recently, interest has been growing in flotation separation and preconcentration of trace amounts of metals.'-3 The floated compounds often used are ion

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  • Flotation-Spectrophotometric Determination of Mercury
    Flotation-Spectrophotometric Determination of Mercury

    Feb 18, 2005 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 ion-associate of HgI 4 2- and ferroin between aqueous and n -heptane interface at pH 5

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  • Determination of Trace Amounts of Lead Using the Flotation
    Determination of Trace Amounts of Lead Using the Flotation

    Mar 01, 2011 Determination of Trace Amounts of Lead Using the Flotation-spectrophotometric method. ... (II) with dithizone after its flotation as ion-associate using iodide and ferroin. Hosseini MS, Hashemi-Moghaddam H. Talanta, 67(3):555-559, 01 Jul 2005

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