Elemental Microanalysis Ltd offers a wide range of Natural Reference Materials.
All solids are finely ground powders. All calibrations are traceable to NIST SRM primary standards. Full
information is provided on the certificate of analysis.
For many years the self-indicating carbon dioxide absorber CarbosorbÂ® has been popular in OEA and EA-IRMS systems. Unfortunately this product is no longer being manufactured and an alternative is required.