What question did this study set out to answer?

Identify and evaluate the primary mechanisms responsible for systematic errors and bias during stable isotope ratio determinations by gas chromatography-mass spectrometry.

August 1, 1976Analytical Chemistry

Systematic errors in gas chromatography-mass spectrometry isotope ratio measurements

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Authors

DMDwight E. MatthewsUniversity of Vermont JHJohn M. HayesHeidelberg University

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Implication

Methodological evaluation demonstrates sources of systematic error in gas chromatography-mass spectrometry, highlighting calibration strategies needed for accurate isotope ratio measurements.

Key Points

Identify and evaluate the primary mechanisms responsible for systematic errors and bias during stable isotope ratio determinations by gas chromatography-mass spectrometry.
Assessed instrumental, chromatographic, and detection parameters that influence the accuracy and precision of isotope ratio measurements in gas chromatography-mass spectrometry systems.
Analyzed the effects of chromatographic peak shape, isotope fractionation during column transit, and detector response characteristics on quantitative ratio determination.
Demonstrated that chromatographic fractionation and non-ideal detector responses introduce significant systematic deviations into measured isotope ratios.
Established quantitative frameworks to correct for instrumental and elution-dependent biases to achieve high-precision isotopic measurements.

Cite This Study

Matthews et al. (1976) studied this question.

synapsesocial.com/papers/6a1bc69cd54006be995ef2b6 https://doi.org/10.1021/ac50003a028

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Implication

Methodological evaluation demonstrates sources of systematic error in gas chromatography-mass spectrometry, highlighting calibration strategies needed for accurate isotope ratio measurements.

Systematic errors in gas chromatography-mass spectrometry isotope ratio measurements

Discussion

Member takes

Implication

Key Points

Cite This Study

Systematic errors in gas chromatography-mass spectrometry isotope ratio measurements

Discussion

Member takes

Implication

Key Points

Cite This Study

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