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Calibrant Gases

We are pleased to offer four CO2 standards for use in 13C-urea breath analysis. These gas calibration standards are designed to mimic 13CO2 levels in normal breath (baseline calibrant) and at three enriched levels (low-, mid-, and high-level calibrants). Each is gravimetrically prepared and analyzed for 13C content by isotope ratio mass spectrometry (IRMS). The 13C content is expressed as delta value vs. PDB (Pee Dee Belemnite), with the enriched calibrant gases further defined by their d13C DOB values.


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List prices are for North America only. Additional fees may apply for all orders outside of North America. All prices subject to change without notice.
CIL requires a $50 minimum on all orders.

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