SPECTROGRAPHIC DETERMINATION OF TRACE AMOUNTS OF RARE EARTHS
Technical Report
·
OSTI ID:4062516
A new simplified method for the determination of trace amounts of rare eanths in HCl and EDTA-Na solutiore was developed. The solutions of rare earths lanthanum and yttrium and of the internal standard (palladium chloride) were evaporated on graphite powder and the sample was mixed with NH/sub 4/NO/sub 3/. Vertically arranged copper electrodes were used: the sifter electrode as the cathode and a flatsunfaced copper rod as the anode. The excitation source was a generator that combined a d-c arc with a Feussner spark. The excitution was effected in an atmosphere of 20% argon and 80% oxygen. The detection limit obtained for the two elements lanthanum and yttrium as chlorides and as versenates was 2.10/sup -1/ and 1.10/sup -1/ mu g per sample, respectively. (auth)
- Research Organization:
- Polish Academy of Sciences. Inst. of Nuclear Research. Warsaw
- NSA Number:
- NSA-15-012841
- OSTI ID:
- 4062516
- Report Number(s):
- NP-9725; PAN-180/VII
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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