Isotope dilution assay of boron-10 enriched elemental boron by mass spectrometry
Journal Article
·
· Anal. Chem.; (United States)
Boron-10 enriched elemental boron is assayed for total boron by mass spectrometric isotope dilution. Samples are fused with a sodium carbonate flux, dissolved in water, and spiked with National Bureau of Standards boric acid, which is certified for boron content as well as isotopic abundance. The mixture is converted to sodium tetraborate and analyzed isotopically by thermionic emission of the Na/sub 2/BO/sub 2//sup +/ ion. The method is not biased with respect to titrimetric assay. Replicate determinations have a relative standard deviation less than 0.1 percent.
- Research Organization:
- New Brunswick Lab., NJ
- OSTI ID:
- 7353338
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 48:9; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
ACCURACY
ALKALI METAL COMPOUNDS
BORON
BORON 10
BORON ISOTOPES
CARBON COMPOUNDS
CARBONATES
ELEMENTS
EMISSION
ISOTOPE APPLICATIONS
ISOTOPE DILUTION
ISOTOPES
LIGHT NUCLEI
MASS SPECTROSCOPY
MELTING
NUCLEI
ODD-ODD NUCLEI
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
SEMIMETALS
SODIUM CARBONATES
SODIUM COMPOUNDS
SPECTROSCOPY
STABLE ISOTOPES
THERMIONIC EMISSION
TRACE AMOUNTS
TRACER TECHNIQUES
400104* -- Spectral Procedures-- (-1987)
ACCURACY
ALKALI METAL COMPOUNDS
BORON
BORON 10
BORON ISOTOPES
CARBON COMPOUNDS
CARBONATES
ELEMENTS
EMISSION
ISOTOPE APPLICATIONS
ISOTOPE DILUTION
ISOTOPES
LIGHT NUCLEI
MASS SPECTROSCOPY
MELTING
NUCLEI
ODD-ODD NUCLEI
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
SEMIMETALS
SODIUM CARBONATES
SODIUM COMPOUNDS
SPECTROSCOPY
STABLE ISOTOPES
THERMIONIC EMISSION
TRACE AMOUNTS
TRACER TECHNIQUES