The determination of free acid in plutonium solutions

✍ Scribed by J.L. Pflug; F.J. Miner

• Publisher: Elsevier Science
• Year: 1960
• Tongue: English
• Weight: 349 KB
• Volume: 23
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/s0003-2670(60)80088-8

✦ Synopsis

A colored complex formed by the condensation of the oxy-acids of molybdenum(VI) and vanadium(V) in a 5 to I ratio is used as the basis for a spectrophotometric method for vanadium. The absorbance of the intense yellow complex is measured at 360 m/~. The color is stable for at least 24 h and follows Beer's law over the concentration range of 2-lO-6 to 6. io-~ M vanadium. A standard deviation of o.o56% in steel samples containing 2.04% vanadium was obtained for five determinations. Factors affecting the color formation and the analytical applications to the determination of vanadium are presented.

RI~SUMI~

Une m6thode est propos~e pour le dosage spectrophotom6trique du vanadium, sous forme d'acide molybdovanadique. On d6crit 6galement un proc6d6 pour le dosage de cet 616ment dans les aciers.

ZUSAMMENFASSUNG

Besehreibung einer spektrophotometrischen Methode zur Bestimmung yon Vanadium in Form der Molybdo-vanadins~ure und deren Anwendung zur Bestimmung von Vanadium in Stahh