Journal ArticleDOI
Isotopic standards for carbon and oxygen and correction factors for mass-spectrometric analysis of carbon dioxide
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TLDR
In this paper, Niee's and Solenhofen standards were compared to the Chicago PDB standard for carbon and oxygen isotope ratios, and the correction factors for instrumental effects and for the nature of the mass spectra were derived.About:
This article is published in Geochimica et Cosmochimica Acta.The article was published on 1957-01-01. It has received 4071 citations till now. The article focuses on the topics: Carbon & Carbon dioxide.read more
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Factors determining δ13C and δ18O fractionation in aragonitic otoliths of marine fish
TL;DR: This article found evidence of a negative regression between 6 i3C carbonate-6 '3Cwate, (A13C) and temperature: A13C = -1.78 - 0.18 T"C However, this relationship was aliased to a degree by a positive correlation between Ai3C and somatic growth and otolith precipitation rates.
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Determination of Nitrogen Isotopomers of Nitrous Oxide on a Modified Isotope Ratio Mass Spectrometer
Sakae Toyoda,Naohiro Yoshida +1 more
TL;DR: In this paper, a new method for the determination of the nitrogen isotopomers (intramolecular distribution of nitrogen isotopes) of nitrous oxide has been developed, which makes use of mass analyses of t...
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The Andean-type Gangdese Mountains: Paleoelevation record from the Paleocene-Eocene Linzhou Basin
TL;DR: In this article, the authors presented new oxygen and carbon isotopic compositions from well dated Tertiary paleosols, lacustrine calcareous carbonates, and marls from the Nianbo and upper Pana Formations of the Linzizong Group in the Linzhou (Penbo) Basin.
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Nonlinear multivariate calibration using principal components regression and artificial neural networks
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Isotopic Exchange Effects in the Evaporation of Water, 1, Low-Temperature Experimental Results
TL;DR: The deuterium and oxygen 18 concentrations of water evaporating into air of nonzero humidity do not follow the simple batch distillation equation but increase asymptotically to a stationary isotopic state as the mass of water decreases to zero as discussed by the authors.
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On the Isotopic Chemistry of Carbonates and a Paleotemperature Scale
TL;DR: In this paper, the temperature variation of the fractionation of oxygen in exchange reactions between dissolved carbonate and water and between calcite and water was calculated on theoretical grounds, and checked experimentally.
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Variation of O18 content of waters from natural sources
S Epstein,Toshiko K. Mayeda +1 more
TL;DR: A number of marine water and fresh water samples were examined for the relative O18O16 ratio, and the variation of this ratio was determined to a precision of ± 1% as mentioned in this paper.
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Revised carbonate-water isotopic temperature scale
TL;DR: The relationship between temperature and O(18) content relative to that for a Cretaceous belemnite of the Pee Dee formation previously reported (Epstein, Buchsbaum, Lowenstam, and Urey, 1951) has been re-determined using modified procedures for removing organic matter from shells, and is found to be 16.5 - 4.3 δ + 0.14 δ^2
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The geochemistry of the stable carbon isotopes
TL;DR: A survey of the variation of the ratio C13/C12 in nature can be found in this paper, where Urey and his co-workers used two complete feed systems with magnetic switching to determine small differences in isotope ratios between samples and a standard gas.