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DETERMINATION OF NIOBIUM BY A DIFFERENTIAL SPECTROPHOTOMETRIC METHOD (in Russian)

Journal Article · · Zhur. Anal. Khim.
OSTI ID:4785060
; ;
The absorption spectra of niobium in hydrochloric acid solutions were studied in the presence of tartaric acid and small amounts of sulfate ions. The influence of accompanying elements on the determination of niobium in a hydrochloric medium by a differential spectrophotometric method is given. A differential method was developed for the determination of niobium in niobium- based alloys containing tantalum and small amounts of titanium and iron. The error of determination is plus or minus 0.2-0.3%. (auth)
Research Organization:
Moscow State Univ.
NSA Number:
NSA-16-014672
OSTI ID:
4785060
Journal Information:
Zhur. Anal. Khim., Journal Name: Zhur. Anal. Khim. Vol. Vol: 17
Country of Publication:
Country unknown/Code not available
Language:
Russian

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Related Subjects

ABSORPTION
CHEMISTRY
ERRORS
HYDROCHLORIC ACID
IRON
NIOBIUM
NIOBIUM ALLOYS
ORGANIC ACIDS
PHOTOMETRY
QUANTITATIVE ANALYSIS
SOLUTIONS
SPECTRA
SPECTROSCOPY
SULFATES
TANTALUM
TARTARIC ACID
TITANIUM
TRACE AMOUNTS