✦ LIBER ✦
Catalytic determination of vanadium with the bromate/iodide/ascorbic acid landolt reaction and conductometric monitoring
✍ Scribed by J.A. Amberson; G. Svehla
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 509 KB
- Volume
- 185
- Category
- Article
- ISSN
- 0003-2670
No coin nor oath required. For personal study only.
✦ Synopsis
Vanadium (O-l mg 1-l) is determined in solutions by a catalytic procedure with conductometric detection. Reaction times of the bromate/iodide/ascorbic acid Landolt reaction are evaluated from conductance vs. time traces, obtained with an instrument with compensation facilities. Results are evaluated by means of calibratron graphs, where the t(O)/t(c) ratios are plotted against the concentration of vanadium. Kinetics and mechanism of the reactions are discussed and values for the rate coefficients as well as entropies and enthalpies of activation are presented.