Results 31 to 40 of about 3,513,162 (340)

Beryl Reference Materials for In Situ Oxygen Isotope Determination

Crystals, 2021
The mineral beryl (Be3Al2(SiO3)6) has the most abundant phase with industrial value for extracting a critical metal—beryllium. Due to multi-stage, fluid-induced growth, individual beryl grains may yield complex geochemical records, revealing variations ...
Xiaoxiao Ling, Qiuli Li, Lianjun Feng, Di Zhang, Yu Liu, Guoqiang Tang, Jiao Li, Shitou Wu, Liangliang Huang, Tiejun Li, Yan Liu, Ronald Werner, Xianhua Li   +12 more
doaj   +1 more source

Detection systems for mass spectrometry imaging: a perspective on novel developments with a focus on active pixel detectors [PDF]

, 2013
Instrumental developments for imaging and individual particle detection for biomolecular mass spectrometry (imaging) and fundamental atomic and molecular physics studies are reviewed. Ion-counting detectors, array detection systems and highmass detectors
Jungmann, JH, Heeren, R.M.A., Afd Scheikunde Algemeen, Sub Biomol.Mass Spectrometry & Proteom., Biomolecular Mass Spectrometry and Proteomics   +4 more
core   +1 more source

Rapid and Accurate Characterization of Enriched Uranium Materials by Inductively Coupled Plasma Mass Spectrometry [PDF]

Zhipu Xuebao, 2023
The characteristics of enriched uranium materials are very important for nuclear fuel cycle and nuclear forensic analysis. Among all those fingerprints, the uranium isotope ratios and the uranium age are considered to be of major parameters for tracing ...
WANG Wei;XU Jiang;XI Rui-yang;WANG Ya-long;GUO Si-qi;FANG Sui;LI Zhi-ming;LIN Jian-feng;ZHANG Hai-tao;ZHANG Xiao-lin;WANG Chun-jie;HE Ya-jiao
doaj   +1 more source

Comprehensive inter-laboratory calibration of reference materials for δ18O versus VSMOW using various on-line high-temperature conversion techniques [PDF]

, 2009
Internationally distributed organic and inorganic oxygen isotopic reference materials have been calibrated by six laboratories carrying out more than 5300 measurements using a variety of high-temperature conversion techniques (HTC) in an evaluation ...
Weise, Stephan M., Mroczkowski, S. J., Brand, Willi A., Qi, H., Stuart-Williams, Hilary,, Geilmann, Heike, Aerts-Bijma, A. T., Weise, S. E., Jansen, H., Geilmann, Heike,, Qi, Haiping, Coplen, T. B., Bohlke, J., Coplen, Tyler B.,, J. K. Böhlke, Qi, H. P., Aerts-Bijma, Anita T.; id_orcid, Meijer, Harro A. J., Weise, S., Soergel, Karin,, Groning, M., Böhlke, J.K., Gröning, Manfred,, Stephan M. Weise, Gröning, Manfred, Haiping Qi, Anita T. Aerts‐Bijma, Jansen, Henk G.,, Heike Geilmann, Meijer, H. A. J., Gehre, Matthias, Jansen, Henk G., Meijer, Harro A. J.; id_orcid, Roland A. Werner, Werner, Roland A.,, Coplen, Tyler B., Böhlke, J.K.,, Werner, R., Werner, Roland A., Geilmann, H., Jansen, H. G., Aerts-Bijma, Anita T., Stuart-Williams, H., Karin Soergel, Henk G. Jansen, Stanley J. Mroczkowski, Aerts-Bijma, Anita T.,, Gehre, Matthias,, Gehre, M., Bohlke, J. K., Mroczkowski, Stanley J.,, Meijer, Harro A.J.,, Meijer, H., Mroczkowski, S., Mroczkowski, Stanley J., Brand, W., Tyler B. Coplen, Soergel, Karin, Hilary Stuart‐Williams, Weise, Stephan M.,, Willi A. Brand, Aerts-Bijma, A., Matthias Gehre, Brand, Willi A.,, Manfred Gröning, Soergel, K., Coplen, T., Qi, Haiping,, Stuart-Williams, Hilary, Harro A. J. Meijer   +69 more
core   +1 more source

A New Method for Silicon Triple Isotope Analysis With Application to Siliceous Sponge Spicules

Geochemistry, Geophysics, Geosystems, 2023
Multiple isotope ratios of elements disclose information on the fractionation mechanism that cannot be obtained from a single isotope ratio alone.
Andreas Pack, Eike‐Matthias Bultmann, Michael Tatzel, Joachim Reitner   +3 more
doaj   +1 more source

Triple Oxygen Isotope Measurements by Multi-Collector Secondary Ion Mass Spectrometry

Frontiers in Earth Science, 2021
Secondary ion mass spectrometry (SIMS) is a powerful technique for in situ triple oxygen isotope measurements that has been used for more than 30 years. Since pioneering works performed on small-radius ion microprobes in the mid-80s, tremendous progress ...
Nordine Bouden, Johan Villeneuve, Yves Marrocchi, Etienne Deloule, Evelyn Füri, Andrey Gurenko, Laurette Piani, Emilie Thomassot, Paula Peres, Firmino Fernandes   +9 more
doaj   +1 more source

ISOTOPIC MASS SPECTROMETRY OF THE ELEMENTS [PDF]

, 1963
The Analytical Mass Spectrometry Section at Oak Ridge National Laboratory has, for many years, been determining relative isotopic abundances from solid samples. Thus, useful analytical mass spectrometer experience with every pertinent element has been obtained.
Spitzer, E.J., Sites, J.R., comps.
openaire   +2 more sources

Case studies of three geological archives for rare radionuclide measurements using accelerator mass spectrometry

Frontiers in Environmental Chemistry
Long-lived radionuclides in our environment provide important information on natural and anthropogenic processes. Their presence and concentration reflect the balance of production and decay.
Sebastian Fichter, Dominik Koll, Dominik Koll, Dominik Koll, Annabel Rolofs, Annabel Rolofs, Anton Wallner, Anton Wallner   +7 more
doaj   +1 more source

Study on Specific Carbon Isotope Fractionation of n-Alkanes during Column Chromatography Separation-Molecular Sieve Complexation Adsorption

Yankuang ceshi, 2021
BACKGROUND Before analyzing the carbon isotopes of n-alkanes by gas chromatography-gas isotope mass spectrometry (GC-IRMS), it is necessary to pre-separate and enrich n-alkanes and isoparaffins in saturated hydrocarbon samples. Whether the carbon isotope
DONG Hao-wei, ZHAO Jia-yu, ZENG Fan-gang, XIE Man-man, SHANG Wen-yu, WANG Shu-xian, SUN Qing   +6 more
doaj   +1 more source

Mass spectrometry and natural variations of iron isotopes [PDF]

Mass Spectrometry Reviews, 2006
AbstractAn Erratum has been published for this article in Mass Spectrometry Reviews 25: 831–832, 2006.Although the processes that govern iron isotope variations in nature are just beginning to be understood, multiple studies attest of the virtue of this system to solve important problems in geosciences and biology.
Nicolas, Dauphas, Olivier, Rouxel
openaire   +2 more sources