Metavanadate as a reagent for the colorimetric determination of acids.
Acids with pK(a) > 6 can be determined colorimetrically by their reaction with metavanadate, provided they are not coloured and do not give complexation or redox reactions with the polyvanadate.
Dima
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Faculty of Pharmacy, Rue de l'Université 16, Iassy, Romania.
Ghimicescu
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