Spectrophotometric method for the determination of scandium with Pontachrome Azure Blue B (in Japanese)
A new method for the spectrophotometric determination of scandium was studied, using Pontachrome Azure Blue B (Color index 43830) as a reagent. Scandium reacts with the reagent at pH 6 approximates 7 to form a complex, of which composition seems to be ScR₂. The complex shows an absorption band with a maximum at 610 m mu , which can be used for the determination of scandium. Beer's law is obeyed in the concentration from 0.03 to 1 ppm of scandium, and the molar extinction coefficient is 31,500 1/M cm at 610 m mu . The reagent reacts also with rare eanths, although the absorption of their complex is not so large. Along with large amounts of rare earths, Y, Bi, Fe(HI), Cu, Al, W, Ti, Cr, and Be interfere with the determination of scandium. (auth)
- Research Organization:
- Kyoto Univ.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-001562
- OSTI ID:
- 4149136
- Journal Information:
- Bunseki Kagaku (Japan Analyst), Journal Name: Bunseki Kagaku (Japan Analyst) Journal Issue: 3 Vol. 12; ISSN 0525-1931
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
Similar Records
Spectrophotometric investigation and determination of scandium using semi-xylenol orange
The Spectrophotometric Determination of Scandium in Copper with Xylenol Orange