Cited by 499Groundwater and Isotope GeochemistryPaleontology and Stratigraphy of FossilsGeochemistry and Elemental Analysis

The DOI matches its Crossref record; 12 of the 13 references it cites were found in a registry or an index.

Oxygen isotope behavior in the Sulfate-Water System

Lloyd, R. M.·1968·Journal of Geophysical Research

Abstract

Fundamental data on oxygen isotope behavior in the sulfate-water system are given. Oxygen exchange rates between sulfate ions and water are very slow and show a marked pH dependence. Of the order of 10/sup +3/ to 10/sup +5/ years are required to closely approach isotopic equilibrium at earth surface conditions. Oxygen isotope fractionation experiments yielded the following relationships: Ln alpha = 3878/(t+2) -0.0034 anhydrite water (and) Ln alpha = 3251/(t+2) -0.0056 dissolved sulfate water. During progressive evaporation of saturated CaSO/sub 4/ solution the gypsum formed tends to concentrate oxygen-18 relative to dissolved sulfate by 2%. Sulfate reducing bacteria preferentially metabolize oxygen-16 by about 4.6% in both pure and natural cultures. Oxidation of sulfide to sulfate in natural environments is a complex process making use of both water oxygen and molecular oxygen.

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Crossref · 10.1029/jb073i018p06099

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Citations

Cites

Research works printed but not linked: 3

  1. Sunge, 1957, The oxidation of sulfur dioxide in dilute solutions, Quart. J. Roy. Meteorol. Soc., 15, 46
  2. O'Neil, 1964, Cosmic and Isotopic Chemistry
  3. Teis, 1957, Isotopic composition of oxygen in natural sulfates, Geochemistry, USSR, 257

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Metadata

Authors
Lloyd, R. M.
Corresponding author
Lloyd, R. M.
Venue
Journal of Geophysical Research
Published
1968-09-15
Volume
73
Issue
18
Pages
6099-6110
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2112478326
Cited by
499
References
13
Citations by year
2026: 8 · 2025: 18 · 2024: 10 · 2023: 8 · 2022: 8 · 2021: 27 · 2020: 14 · 2019: 15 · 2018: 11 · 2017: 17 · 2016: 19 · 2015: 16 · 2014: 16 · 2013: 15 · 2012: 15
FWCI
12.57
Type
journal article
Language
en
Open access
closed
Locations
Journal of Geophysical Research Atmospheres (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Groundwater and Isotope Geochemistry
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
Keywords
oxygen isotopes, oxygen exchange kinetics, isotope fractionation, anhydrite, gypsum, evaporation, pH dependence, sulfate-reducing bacteria, oxygen-16, sulfide oxidation, molecular oxygen, dissolved sulfate

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