SEPARATION OF SMALL AMOUNTS OF TANTALUM FROM NIOBIUM BY THE EXTRACTION OF TETRAPHENYLARSONIUM FLUOROTANTALATE (in Russian)
Journal Article
·
· Zh. Analit. Khim.
OSTI ID:4772442
It was established that Ta as fluorotantalate forms a compound with tetraphenylarsonium chloride, which can be extracted with chloroform. By means of a radioactive isotope, Ta/sup 182/, a study was made of the effect of the NaF concentration, and of the concentration of tetraphenylarsonium chloride, HCl, and H/sub 2/SO/sub 4/ on the percent extraction of Ta. It was found that Ta can be quantitatively separated from Nb, Ti, and Zr by the extraction of tetraphenylarsonlum fluorotantalate with chloroform. (auth)
- Research Organization:
- Moscow State Univ.
- NSA Number:
- NSA-17-012216
- OSTI ID:
- 4772442
- Journal Information:
- Zh. Analit. Khim., Journal Name: Zh. Analit. Khim. Vol. Vol: 17
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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