Continuous-flow isotope ratio mass spectrometry method for carbon and hydrogen isotope measurements on atmospheric methane [PDF]
We describe a continuous-flow isotope ratio mass spectrometry (CF-IRMS) technique for high-precision δD and δ<sup>13</sup>C measurements of atmospheric methane on 40 mL air samples.
M. Brass, T. Röckmann
doaj +1 more source
Precise tellurium (Te) isotope ratio measurement using mass spectrometry is a challenging task for many decades. In this paper, Te isotope ratio measurements using multi-collector inductively coupled plasma mass spectrometry (MC–ICP–MS) in terrestrial Te
Rajamanickam Murugan +2 more
doaj +1 more source
Isotope Calculation Gadgets: A Series of Software for Isotope-Tracing Experiments in Garuda Platform
Isotope tracing is a powerful technique for elucidating intracellular metabolism. Experiments utilizing this technique involve various processes, such as the correction of natural isotopes.
Nobuyuki Okahashi +3 more
doaj +1 more source
An analytical system for stable isotope analysis on carbon monoxide using continuous-flow isotope-ratio mass spectrometry [PDF]
A fully automated system for the determination of δ13C and δ18O in atmospheric CO has been developed. CO is extracted from an air sample and converted into carbon dioxide (CO2) using the Schütze reagent.
S. L. Pathirana +3 more
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Recent advances in the application of stable isotope ratio analysis in forensic chemistry [PDF]
This review paper updates the previous literature in relation to the continued and developing use of stable isotope ratio analysis in samples which are relevant to forensic science.
Benson +40 more
core +1 more source
Pyrolysis-gas chromatography–isotope ratio mass spectrometry of polyethylene [PDF]
Polyethylene is probably the most used plastic material in daily life and its accurate analysis is of importance. In this communication the chemical structure of polyethylenes is studied in detail using conventional analytical pyrolysis (Py-GC/MS), bulk stable isotopic analysis (IRMS) and pyrolysis compound specific stable isotopic analysis (Py-CSIA ...
González-Pérez, José Antonio +4 more
openaire +3 more sources
Stable Carbon Isotope Ratio (δ13C) Measurement of Graphite Using EA-IRMS System
δ13C values in non-irradiated natural graphite were measured. The measurements were carried out using an elemental analyzer combined with stable isotope ratio mass spectrometer (EA-IRMS). The samples were prepared with ground and non-ground graphite, the
Andrius Garbaras +2 more
doaj +1 more source
Measurement of calcium isotopes (δ44Ca) using a multicollector TIMS technique [PDF]
We propose a new“multicollector technique” for the thermal ionization mass spectrometer (TIMS) measurement of calcium (Ca) isotope ratios improving average internal statistical uncertainty of the 44Ca/40Ca measurements by a factor of 2–4 and average ...
Bock, Barbara +5 more
core +1 more source
Method for the determination of concentration and stable carbon isotope ratios of atmospheric phenols [PDF]
A method for the determination of the stable carbon isotopic composition of atmospheric nitrophenols in the gas and particulate phases is presented. It has been proposed to use the combination of concentration and isotope ratio measurements of precursor ...
M. Saccon +7 more
doaj +1 more source
Measurement and validation of uranium isotope ratio in uranium ore for isotopic fingerprinting
Accurate determination of uranium isotope ratio can act as an efficient fingerprint in the nuclear forensics to identify source and intended use of illicit trafficking of uranium material. In this context, a rapid chemical separation technique to isolate
Suchismita Mishra +3 more
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