Methods and Techniques

• Böhlke, J.K., Mroczkowski, S.J., and Coplen, T.B., 2003, Oxygen isotopes in nitrate: new reference materials For ¹⁸O:¹⁷O:¹⁶O measurements and observations on nitrate-water equilibration: Rapid Communications in Mass Spectrometry, v. 17, p. 1835-1846.
  
  
• Carmody, R.W, Plummer, L.N., Busenberg, E., and Coplen, T.B., 1998, Methods for collection of dissolved sulfate and sulfide and analysis of their sulfur isotopic composition:U. S. Geological Survey Open-File Report 97-234, 91 p.
  
  
• Casciotti, K. L., Sigman, D. M., Hastings, M., Böhlke, J. K., and Hilkert, A., 2002, Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method: Analytical Chemistry, v. 74, p. 4905-4912.
  
  
• Coplen, T. B., 1998, A manual for a laboratory information management system (LIMS) for light stable isotopes Version 7.0: U. S. Geological Survey Open-File Report 98-284, 124 p.
  
  
• Coplen, T.B., 2000, Laboratory Information Management System (LIMS) for Light Stable Isotopes: U.S. Geological Survey Open-File Report 00-345, 121 p. (Geochemical Software Information) (on-line information)
  
  
  
• Coplen, T.B., and Harper, I.T., 1994, An improved technique for the 2H/1H analysis of urines from diabetic volunteers: Biological Mass Spectrometry, v. 23, p. 437-439.
  
  
• Coplen, T. B., Wildman, J. D., and Chen, J., 1991, Improvements in the gaseous hydrogen- water equilibration technique for hydrogen isotope-ratio analysis: Analytical Chemistry, v. 63, p. 910-912.
  
  
• Hopple, J.A., Hannon, J.E., and Coplen, T.B., 1998, Comparison of two stable hydrogen isotope-ratio measurement techniques on Antarctic surface-water and ice samples: Chemical Geology, v. 152, p. 321-323. (on-line abstract)
  
  
• Kendall, C., and Coplen, T. B., 1985, Multisample conversion of water to hydrogen by zinc for stable isotope determination: Analytical Chemistry, v. 57, p. 1437-1440.
  
  
• Michalski, G., Savarino, J., Böhlke, J. K., and Thiemens, M. H., 2002, Determination of the total oxygen isotopic composition of nitrate and the calibration of a Δ¹⁷O nitrate reference material: Analytical Chemistry, v. 74, p. 4989-4993.
  
  
• Revesz, K., and Böhlke, J. K., 2002, Comparison of δ¹⁸O measurements in nitrate by different combustion techniques: Analytical Chemistry, v. 74, p. 5410-5413. ( online pdf)
  
  
• Revesz, K., Böhlke, J.K., Smith, R.L., and Yoshinari, T., 1999, Stable isotope composition of dissolved O2 undergoing respiration in a ground-water contamination gradient: in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 323-328.
  
  
• Revesz, K., Böhlke, J.K., and Yoshinari, T., 1997, Determination of δ¹⁸O and δ¹⁵N in nitrate: Analytical Chemistry, v. 69, no. 21, p. 4375-4380.
  
  
• Revesz, K., Böhlke, J.K., Yoshinari, T., 1998, δ¹⁸O and δ¹⁵N determination in nitrate: International Atomic Energy Agency, Isotope Techniques in the Study of Environmental Change, Vienna, p. 851-854.
  
  
• Revesz, K. and Coplen, T. B., 1991, Caution on the use of Viton or FETFE O-rings in carbon dioxide sample containers for delta O-18 analysis: Chemical Geology (Isotope Geoscience Section), v. 86, p. 259-261.
  
  
• Revesz, K., and Coplen, T. B., 1990, Gas chromatographic separation of carbon dioxide and nitrous oxide for stable isotopic analysis of carbon dioxide: Analytical Chemistry, v. 62, p. 972-973.
  
  
• Revesz, K., Coplen, T.B., Baedecker, M.J., Glynn, P.D., Hult, M., 1995, Methane Production and Consumption Monitored by Stable Hydrogen and Carbon Isotope Ratios at a Toxic Waste Site, Bemidji, Minnesota: Applied Geochemistry, Vol. 10, pp.505-516.
  
  
• Revesz, K.M., Landwehr, J.M., Keybl, J., 2001, Measurement of delta C-13 and delta O-18 Isotopic Ratios of CaCO3 using a Thermoquest Finnigan GasBench II Delta Plus XL Continuous Flow Isotope Ratio Mass Spectrometer with Application to Devils Hole Core DH-11 Calcite:U.S. Geological Survey Open-File Report 01-257, 17 pgs. (on-line report)
  
  
• Revesz, K., and Woods, P.H., 1990, A Method to Extract Soil Water for Stable Isotope Analysis. Journal of Hydrology: v. 115, p. 397-406.
  
  
• Sigman, D.M., Casciotti, K.L., Andreani, M.C., Barford, C., Galanter, M., and Böhlke, J.K., 2001, A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater:Analytical Chemistry, v. 73, p. 4145-4153.
  
  
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