Isotopic ratio measurements with ICP-MS
Conference
·
OSTI ID:5752461
An inductively-coupled-plasma source mass spectrometer (ICP-MS) has been used to measure the isotopic composition of U, Pb, Os, and B standards. Particular emphasis has been placed on uranium because of its nuclear and environmental interest and because of the availability of a well-characterized set of standards with a wide range of isotopic compositions. The precision and accuracy obtainable in isotope ratio measurements by ICP-MS depend on many factors including background, interferences, dead time, mass fractionation (bias), abundance sensitivity, and counting statistics. Which, if any, of these factors controls accuracy and precision depends on the type of sample being analyzed and the characteristics of the mass spectrometer. These issues are discussed in detail.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5752461
- Report Number(s):
- UCRL-92857; CONF-860101-2; ON: DE86011885
- 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
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BORON
CALIBRATION STANDARDS
ELEMENTS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
HEAVY NUCLEI
HOURS LIVING RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPE RATIO
ISOTOPES
LEAD 204
LEAD 206
LEAD 207
LEAD ISOTOPES
MASS SPECTROSCOPY
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
OSMIUM
PLATINUM METALS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SEMIMETALS
SPECTROSCOPY
STABLE ISOTOPES
STANDARDS
TRANSITION ELEMENTS
URANIUM 235
URANIUM 238
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES
400104* -- Spectral Procedures-- (-1987)
ACCURACY
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BORON
CALIBRATION STANDARDS
ELEMENTS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
HEAVY NUCLEI
HOURS LIVING RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPE RATIO
ISOTOPES
LEAD 204
LEAD 206
LEAD 207
LEAD ISOTOPES
MASS SPECTROSCOPY
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
OSMIUM
PLATINUM METALS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SEMIMETALS
SPECTROSCOPY
STABLE ISOTOPES
STANDARDS
TRANSITION ELEMENTS
URANIUM 235
URANIUM 238
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES