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extraction of vanadium
Mechanism of Extraction of Vanadium(V) from Sulfuric Acid Solutions with Di-2-ethylhexylphosphoric Acid
      
IR and electronic absorption spectroscopies were applied to a study of the mechanism of extraction of vanadium(V) with di-2-ethylhexylphosphoric acid from sulfuric acid solutions.
      
Extraction of vanadium(V) with di(2-ethylhexyl) hydrogen phosphate from 1.0-8.0 M aqueous sulfuric acid solutions was studied.
      
The most effective organic mixtures for extraction of vanadium(V) were determined in relation to the concentration of sulfuric acid.
      
Liquid-liquid extraction of vanadium(V) from sulfate media with diisododecylamine
      
The effects of foreign ions and reagents on the extraction of vanadium with TAR and the best tetrazolium salt-MTT have been studied.
      
The extraction of vanadium(V) ions by DIDA from the real shop leach liquors of vanadium slag with a vanadium concentration of 3.13-5.08 g/l is tested under laboratory conditions using the results obtained.
      
n-Butanol exerts a synergic effect on the extraction of vanadium(V) by salicylaldehyde.
      
The most suitable procedures (extraction of vanadium as PAR-chelate ion pair, coprecipitation with Mg(OH)2, extraction with NBPHA, sorption by Chelex-100) are tested in different waters.
      
The extraction of vanadium(IV) was found to be quantitative only with Amberlite LA-2, while that of vanadium(V) was quantitative with Amberlite LA-1 and LA-2, Primene JM-T and Aliquat 336S.
      
oxalic, succinic, fumaric, citric, tartraric acid have been also used as a Synergist in the extraction of vanadium(V).
      
The effect of pH on the percent extraction of vanadium(V), iron(II), cobalt(II), nickel(II), copper(II), molybdenum(VI), tungsten(VI) and uranium(VI) by α-benzoinoxime in different solvents has been studied.
      
The method is based on post-irradiation wet ashing and solvent extraction of vanadium with N-benzoyl-N-phenyl-hydroxylamine (BPHA) forming a violet chelate complex in strongly acidic medium.
      
The method is based on post-irradiation wet-ashing and solvent extraction of vanadium with N-benzoyl-N-phenyl-hydroxylamine reagent.
      
Certain features of the extraction of vanadium in blast furnaces at the Chusovoi metallurgical plant
      
Extraction of vanadium from athabasca tar sands fly ash
      
 

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