Stable Carbon and Oxygen Isotope Analysis of Carbonates and DIC Using the Delta Ray Isotope Ratio Infrared Spectrometer (IRIS): Precise and Accurate Measurements Applying a 3-Point Calibration and Standard Bracketing. [PDF]
Rapid Commun Mass SpectromHansen M +3 more
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Spatially resolved isotopic analysis of a uranium-bearing particle from inside the Fukushima Daiichi unit 2 reactor using high-resolution SIMS. [PDF]
Sci RepYoshida T +7 more
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Measurements of Isotope Ratio by Mass Spectrometry(III)
Journal of the Mass Spectrometry Society of Japan, 1963 openaire +2 more sources
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Applied gas chromatography coupled to isotope ratio mass spectrometry
Journal of Chromatography A, 1999Compound-specific isotope analysis (CSIA) by isotope ratio mass spectrometry (IRMS) following on-line combustion (C) of compounds separated by gas chromatography (GC) is a relatively young analytical method. Due to its ability to measure isotope distribution at natural abundance level with great accuracy and high precision, GC-C-IRMS has increasingly ...
W Meier-Augenstein
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High Precision Isotope Ratio Monitoring Techniques in Mass Spectrometry
Journal of Mass Spectrometry, 1996Isotope ratio monitoring following on-line combustion is a new method in gas chromatography/mass spectrometry (GC/MS) that allows the ratios of abundances of stable isotopes of elements such as carbon and nitrogen to be determined for individual compounds introduced via a gas chromatograph.
Willi A Brand
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Optical isotope ratio spectroscopy – complementing isotope ratio mass spectrometry
OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), 2021Isotope ratio measurements and scale definitions are typically related to mass specectroscopy. This work discusses the challenges of optical isotope ratio spectroscopy and its prospects to significantly complement isotope ratio mass spectrometry.
Braden-Behrens, Jelka +11 more
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Isotope ratio mass spectrometry
The Analyst, 2009Isotope Ratio Mass Spectrometry (IRMS) is a specialized technique used to provide information about the geographic, chemical, and biological origins of substances. The ability to determine the source of an organic substance stems from the relative isotopic abundances of the elements which comprise the material.
Zeland, Muccio, Glen P, Jackson
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Of all the elements, hydrogen has the largest naturally occurring variations in the ratio of its stable isotopes (D/H). It is for this reason that there has been a strong desire to add hydrogen to the list of elements amenable to isotope ratio monitoring gas chromatography/mass spectrometry (irm-GC/MS). In irm-GC/MS the sample is entrained in helium as
Hilkert, A. +3 more
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Forensic isotope ratio mass spectrometry of packaging tapes
The Analyst, 2004Pressure sensitive adhesive tape (brown parcel tape) is employed in a great many criminal activities such as the restraint of individuals during robbery and offences against the person, the enclosure of explosive devices and the packaging and concealment of controlled drugs.
James F, Carter +5 more
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Fast Gas Chromatography Combustion Isotope Ratio Mass Spectrometry
Analytical Chemistry, 2007We report here the first coupling of fast GC to IRMS, in a system capable of 250 ms peak widths (fwhm) at 1 mL/min flow rates, one-fifth as narrow as any previously reported GCC-IRMS system. We developed an optimized postcolumn interface that results in minimal peak broadening, using a programmable temperature vaporization injector in place of a rotary
Gavin L, Sacks +2 more
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