Photometric titration of vanadium(IV) with 8-hydroxyquinoline-5-sulphonic acid |
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| Authors: | G Den Boef W Ozinga |
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| Institution: | Laboratory for Analytical Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, AmsterdamThe Netherlands |
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| Abstract: | Vanadium(IV) at concentrations of 10-2–10-4 M can be titrated at pH 5–6; the 1:2 metal—ligand complex is formed. Back-titrations with copper(II) solution and reverse titrations are also feasible. Absorbances are measured at 385 nm. |
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