Improved performance of a quadrupole based glow discharge mass spectrometer
Conference
·
OSTI ID:210659
- Oak Ridge National Lab., TN (United States)
Glow discharge mass spectrometry (GDMS) has experienced most of its commercial success in trace multi-element analysis using sector-based mass spectrometry. In most cases, the mass resolution available with these instruments allows elements of interest to be analyzed, even in the presence of polyatomic interferences (e.g., ArC+, ArN+, ArO+). Because quadrupole mass filters have little more than unit resolution, background equivalent concentrations (BEC`s) for many elements can be quite high (1-100 ppm). Because of this, many have discounted quadrupole GDMS as a useful trace analysis technique. In this work, the authors have explored methods of reducing the polyatomic interferences.
- OSTI ID:
- 210659
- Report Number(s):
- CONF-9505261--
- Country of Publication:
- United States
- Language:
- English
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