An investigation into detector dead time variability and mass dependency in quadrupole ICP-MS and implications for isotope ratio accuracy

David T. Murphy; Balz Samuel Kamber; Naoki Sugiyama; Fred Fryer

doi:10.1039/d5ja00398a

January 1, 2026Journal of Analytical Atomic SpectrometryOpen Access

An investigation into detector dead time variability and mass dependency in quadrupole ICP-MS and implications for isotope ratio accuracy

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Key Points

Detector dead time influences isotope ratio outcomes in Q-ICP-MS instruments.
Key findings indicate that variations are affected by laboratory conditions and detector age.
Observational analysis examines the relationship between mass dependency and detection accuracy using Q-ICP-MS.
Implications suggest that correction for dead time is necessary to enhance isotopic measurement reliability.

Implication

This investigation reveals that detector dead time affects isotope ratio accuracy in Q-ICP-MS, indicating the need for correction measures.

Abstract

In this study we demonstrate that detector dead time varies in Q-ICP-MS instruments depending on laboratory conditions and detector age. A dead time correction is essential for accuracy in Q-ICP-MS isotope ratio analysis.

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Cite This Study

Murphy et al. (2026) studied this question.

synapsesocial.com/papers/69a75c26c6e9836116a24b04 https://doi.org/10.1039/d5ja00398a

View Full Paper

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An investigation into detector dead time variability and mass dependency in quadrupole ICP-MS and implications for isotope ratio accuracy

Key Points

Implication

Abstract

Discussion

Cite This Study

An investigation into detector dead time variability and mass dependency in quadrupole ICP-MS and implications for isotope ratio accuracy

Key Points

Implication

Abstract

Discussion

Cite This Study

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