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Synthesis and characterisation of vanadium(III) complexes of biphenylphenols
Vanadium(III) complexes biphenylphenols magnetic study
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2010/10/19
The vanadium(III) complexes of composition [VCl3-n(OAr1,2)n.(THF)2] (OAr1 = 2-phenylphenoxo and OAr2 = 4-phenylphenoxo, THF = tetrahydrofuran; n = 1 /to 3) were prepared by in situ reaction of VCl3.(T...
Flow-Injection Determination of Vanadium in Seawater Samples with Acidic Potassium Permanganate Chemiluminescence
Vanadium Seawater Samples Acidic Potassium Permanganate Chemiluminescence
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2010/9/17
Chemiluminescence from the vanadium and potassium permanganate reaction was studied under acidic conditions to develop a sensitive method for vanadium determination using the formaldehyde enhancement ...
Study of binary complexes of nickel(II), copper(II), and vanadium(V) with acetazolamide in aqueous medium by voltammetry
Acetazolamide Copper Nickel Vanadium Binary complexes Electronic Spectra Voltammetr
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2010/4/8
The voltammetric behaviour of acetazolamide, the systemic carbonic anhydrase inhibitor, in the presence of some metal ions (Cu(II), Ni(II), and V(V)) were investigated using square-wave and cyclic vol...
Determination of Trace Amounts of Vanadium by Kinetic-Catalytic Spectrophotometric Methods
kinetic-catalytic method SPADNS methylthymol blue vanadium
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2007/12/19
摘要 Kinetic-catalytic spectrophotometric methods were proposed for the determination of trace amounts of vanadium element as vanadium(IV) and/or V(V) ions. The vanadium(IV) as VO2＋ ion and/or vanadium(...
Voltammetric and Spectroscopic Studies of Vanadium(V)-- Nicotinamide Interactions at Physiological pH
Vanadium complexes nicotinamide voltammetry spectroscopy
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2010/4/19
The interaction of nicotinamide (NA) with NH4VO3 at the physiological pH (pH 7.4) was studied by voltammetry and UV-Vis spectroscopy. The reduction of V(V) ions complexed with NA in phosphate buffer (...
Separation of Molybdenum, Vanadium and Nickel by Liquid-Liquid Extraction
Separation Molybdenum Vanadium Nickel Liquid-Liquid Extraction
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2010/6/30
Elements in the ash of asphaltites that is used in thermal central for power generation units are Mo, V, U, Ti and Ni. The main goal of this study was to separate molybdenum, vanadium and nickel from ...