التفاصيل البيبلوغرافية
| العنوان: |
Preliminary investigation of an uncertainty budget for uranium isotope ratio analysis using a liquid sampling—atmospheric pressure glow discharge—orbitrap mass spectrometer system. |
| المؤلفون: |
Goodwin, Joseph V., Manard, Benjamin T., Ticknor, Brian W., Rogers, Kayron T., Hexel, Cole R., Cable-Dunlap, Paula, Marcus, R. Kenneth |
| المصدر: |
Journal of Radioanalytical & Nuclear Chemistry; Jul2023, Vol. 332 Issue 7, p2875-2886, 12p, 4 Diagrams, 4 Charts, 3 Graphs |
| مصطلحات موضوعية: |
GLOW discharges, URANIUM isotopes, MASS spectrometers, RATIO analysis, ISOTOPIC analysis, ATMOSPHERIC pressure, CHEMICAL ionization mass spectrometry, SCINTILLATION spectrometry |
| مستخلص: |
The liquid sampling-atmospheric pressure glow discharge (LS-APGD) ionization source has proven to be an effective analysis tool for making uranium isotope ratio measurements when coupled to high-resolution mass spectrometers, such as the Orbitrap. While previous studies have shown the capabilities of the LS-APGD for isotope ratio determination, a systematic evaluation of the measurement uncertainty of the technique has not been conducted. To this end, the International Standards Organizations (ISO) guidelines to the expression of uncertainty in measurement (GUM analysis) have been applied to generate an uncertainty budget. Presented here, a preliminary assessment derived from the GUM analysis was performed. The uncertainty in the instrument blank determination has been identified as a primary factor contributing to measurement uncertainty for the LS-APGD-Orbitrap method. These findings for the specific test case of uranium isotopic analysis will be invaluable in applications across the breadth of isotope ratio mass spectrometry performed on this unique instrumental platform. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |