COULOMETRIC TITRATION OF NIOBIUM WITH EXTERNALLY GENERATED MANGANESE (III) ION (in Japanese)
Journal Article
·
· Bunseki Kagaku (Japan)
The investigation was undertaken to develop coulometric titration with externally generated reagents. The determination of niobium with externally generated manganese(III) ion was studied. An electrolyte composed of 0.4N manganese sulfate and 6N sulfuric acid was introduced into an external generating cell, manganese(III) ion being generated with constant current electrolysis. Niobium, reduced with zinc amalgam, was titrated using potentiometric end point detection. The maximum anodic current density was 5 mamp/cm. Micro quantities of niobium from about 0.3 to 2 mg were determined with an average error of about 1%. The method was applied to the determination of niobium in stainless steel. (auth)
- Research Organization:
- Tokyo Metropolitan Univ.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-030603
- OSTI ID:
- 4838000
- Journal Information:
- Bunseki Kagaku (Japan), Journal Name: Bunseki Kagaku (Japan) Vol. Vol: 10; ISSN BNSKA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
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