Determination of Vanadium by the Extraction of Vanadium(III) Thiocyanate with Methyl Ethyl Ketone | Zendy

Lai TsaiTeh | Zendy; Chen ShouNan | Zendy

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Determination of Vanadium by the Extraction of Vanadium(III) Thiocyanate with Methyl Ethyl Ketone

Author(s) -

Lai TsaiTeh,

Chen ShouNan

Publication year - 1962

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.196200026

Subject(s) - chemistry , vanadium , vanadate , ketone , absorbance , methyl isobutyl ketone , thiocyanate , extraction (chemistry) , aqueous solution , solvent , potassium thiocyanate , ammonium thiocyanate , inorganic chemistry , acetone , nuclear chemistry , chromatography , organic chemistry

The spectrophotometric study on the extraction behavior of V(III) thiocyanate complex, with methyl ethyl ketone is described. The greenish yellow color extract shows a absorbance maximum at 395 mμ in 1.0 to 2.8 N HCl solution, and the molar absorbancy index of the extract is 4,313. Beer's Law is valid over a range from 0.01 mg to 0.1 mg of vanadium. The optimum concentration of SnCl 2 for the reduction of vanadate was found at the range between 0.2 N and 0.4 N . The minimum variation of the volume of organic solvent layer and aqueous layer after equilibration was found when the solution was 1.8 to 2.4 N in HCl, 0.35 to 0.65 N in SnCl 2 and 0.9 to 1.2 M in NH 4 CNS.

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