Materials with known 13C, 18O, and 7Li isotopic composition

RM 8562, CO2 gas

Unit Size: 2 x 400 µmol
Price per Unit: 130 €
Date of Release: 1998

The material RM 8562*, was prepared by R. M. Verkouteren, Surface and Microanalysis Science Division, Chemical Science and Technology Laboratory, National Institute of Standards and Technology (NIST) [1,2]. It was first prepared in 1995 from carbon dioxide provided by T. B. Coplen, U.S. Geological Survey (USGS). This gas originated from natural thermal decomposition of a Jurassic limestone deposit in the South-eastern United States and was sampled through a well in 1982 [3]. Its recommended δ13C and δ18O values were determined in international calibration exercises [4,5].

AnalyteValueUnitSDR/I/C
δ13C-3.716‰VPDB0.038C
δ18O-8.5‰VPDB0.1R
 (R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)
[*] CO2-Heavy, paleomarine origin

References:

  1. Verkouteren, R. M., Lagergren, E. S., and Velapoldi, T. A. (1998): Report of Analysis (NIST internal report), 837 698, June 10, 1998, National Institute of Standards and Technology, Gaithersburg, MD.
  2. Verkouteren R.M. (1999): Preparation, characterization and value assignment of carbon dioxide isotopic reference materials: RMs 8562, 8563 and 8564. Analytical Chemistry, Am. Chem. Soc., 71 (20), 4740-4746.
  3. Studlick, J. R. J. Shew, R. D., Basye, G. L., and Ray, J. R (1990): A giant carbon dioxide accumulation in the Norphlet Formation, Pisgah Anticline, Mississippi. Sandstone Petroleum Reservoirs, Eds J. H. Bharwis, J. G. McPherson, J. R. Studlick; Springer Verlag, N.Y.; 181 203 (1990).
  4. Verkouteren, R. M., Klinedinst D. B. (2003): Value assignment and uncertainty estimation of selected stable isotope reference materials: RMs 8543-8545, RMs 8562-8564, and RM 8566. NIST Special Publication 260-149, National Institute of Standards and Technology, Gaithersburg, USA, 58pp.
  5. Coplen T.B., Brand W.A., Gehre M., Gröning M., Meijer H.A.J., Toman B., Verkouteren R.M. (2006): New Guidelines for 13C Measurements. Anal. Chem. 78, 2439-2441.