THE DETERMINATION OF SILICON IN NIOBIUM METAL POWDER AND NIOBIUM COMPOUNDS
Technical Report
·
OSTI ID:4234901
The sample is fused with sodium hydroxide and the melt leached and filtered. The sodium silicate in the filtrate is determined absorptiometrically as the moludenum blue complex. The method is suitable for silicon contense between 10 and 100 ppm. (auth) l5965 Results indicate that iron can be determined colorimetrically using thioglycollic acid after fusion of the sample and solation of the melt in tartrate medium. The method is suitable for the determination of 10 to 1000 ppm iron in niobium and niobium trichloride. (J.E.D.)
- Research Organization:
- United Kingdom Atomic Energy Authority. Industrial Group. Springfields Works, Springfields, Lancs, England
- NSA Number:
- NSA-13-015964
- OSTI ID:
- 4234901
- Report Number(s):
- SCS-M-396
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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