QUANTITATIVE SPECTROGRAPHIC ANALYSIS OF THE RARE EARTH ELEMENTS. IX. DETERMINATION OF RARE EARTH IMPURITIES COMMONLY ASSOCIATED WITH PURIFIED SAMARIUM, GADOLINIUM, TERBIUM, AND YTTRIUM
Journal Article
·
· Spectrochimica Acta (England) Divided into Spectrochim. Acta, Part A and Spectrochim. Acta, Part B
Emission spectrometric methods are described for the following quantitative detetminations: neodymnium and gadolinium in sacaarium; neodymium, samarium, terbium, europium, yttrium, dysprosium, and holmaum in gadolinium; samarium, gadolinium, terbium, dysprosium, holmium, and erbium in yttrium; and samarium, gadolindum, yttrium, and dysprosium in terbium. These methods cover the concentration rang from the detection limit up to 1 per cent. The basic tion of rare earth oixde -graphite mixtures, utilizing unique similarity in excitation behavior of many of the rare earths to provide a high degree of internal standardization. The coefficient of variation is less than plus or minus 5 per ceri in all instances. (auth)
- Research Organization:
- Iowa State Coll., Ames
- NSA Number:
- NSA-13-002021
- OSTI ID:
- 4281312
- Journal Information:
- Spectrochimica Acta (England) Divided into Spectrochim. Acta, Part A and Spectrochim. Acta, Part B, Journal Name: Spectrochimica Acta (England) Divided into Spectrochim. Acta, Part A and Spectrochim. Acta, Part B Vol. Vol: 12; ISSN SPACA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
CARBON-- CURRENTS-- DYSPROSIUM-- ELECTRIC ARCS-- ELECTRODES-- EMISSION-- EUROPIUM-- GADOLINIUM-- HOLMIUM-- IMPURITIES-- LIGHT-- NEODYMIUM-- QUALITATIVE ANALYSIS-- QUANTITY RATIO-- RARE EARTHS-- SAMARIUM-- SPECTROSCOPY-- TERBIUM-- TRACE AMOUNTS-- YTTRIUM
CHEMISTRY
ERRORS-- EXCITATION-- GRAPHITE-- MEASURED VALUES-- OXIDES-- RARE EARTHS-- STANDARDS
CHEMISTRY
ERRORS-- EXCITATION-- GRAPHITE-- MEASURED VALUES-- OXIDES-- RARE EARTHS-- STANDARDS