Standard Notes


Primary (International) Standards


  Primary standard data bases is actualized. 
  Please note following publications as source
  for actualized standard values.

A 'Referencing strategies and techniques in
   stable isotope ratio analysis'
   Roland A. Werner and Willi A. Brand
   Rapid Commun. Mass Spectrom. 2001; 15: 501-519

B IAE-TECDOC-825 from September 1995
  http://www.iaea.org/worldatom/publication/catalogue.html

C 'Calibrated sulfur isotope abundance ratios of
   three IAEA sulfur isotope reference materials
   and V-CDT with a reassessment of the atomic
   weight of sulfur'
   T. Ding et al.
   Geochimica et Cosmochimica Acta Vol. 65, No. 15, pp. 2433-2437, 2001

   AT-Air is removed. Air-N2 remains.
   V-SMOW renamed to VSMOW.
   VPDB added.
   SMOW R17O/16O removed. R18O/16O and R13C/12C actualized (see Lit. B).
   CDT : R33S/32S actualized (see Lit. C).



Secondary (Working) Standards

  All standards references versus Vienna standards now.
  Air and Argon standards added.