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Physico–chemical behaviour of V(V) in a concentrated phosphoric acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
28632 44082 2006 5 PDF Available
Title
Physico–chemical behaviour of V(V) in a concentrated phosphoric acid
Abstract

Tests show that the conductivity and viscosity of solutions of phosphoric acid (54% P2O5) change as increasing quantities of vanadium are added, indicating that the metallic cation interacts with the phosphoric acid molecule. This behaviour is confirmed by measurements of acidity. Determination of R0(H) shows that the acidity of the environment increases as a function of the concentration of V(V), suggesting that the interaction between the vanadium and the phosphoric acid molecule releases H+ protons.Spectrophotometric measurements are used to determine the type of interaction, the nature of the species resulting from the interaction between the vanadium and the phosphoric acid molecule, and the number of protons involved.

Keywords
Phosphoric acid acidity; Vanadium; Spectrophotometry; Conductivity; Viscosity
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Physico–chemical behaviour of V(V) in a concentrated phosphoric acid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 180, Issues 1–2, 15 May 2006, Pages 213–217
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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