Production of gaseous certified reference materials at INRiM for amount of substance fraction of CO2

F. Durbiano, S. Pavarelli, F. Rolle, F. R. Pennecchi, M. Sega
Abstract:
Due to the involvement of carbon dioxide (CO2) in the global warming effects, INRiM is developing certified reference materials (CRMs) of CO2 in synthetic air. The mixtures are prepared by gravimetry, a primary method, and verified by Non- Dispersive Infrared spectroscopy. The CO2 amount fraction in the mixtures and its associated uncertainty are the certified properties of the CRMs. A corresponding stability study of the amount fraction of CO2 is also ongoing. Further work foresees the development of CRMs for the isotopic composition of CO2 in air, after the participation in specific international comparisons.
Keywords:
certified reference materials, gas mixtures, amount of substance fraction, CO2
Download:
IMEKO-TC24-2023-03.pdf
DOI:
10.21014/tc24-2023.03
Event details
IMEKO TC:
TC24
Event name:
IMEKO TC8, TC11 and TC24 Conference
Title:

New Perspectives in Chemical Measurements

Place:
Madeira, PORTUGAL
Time:
11 October 2023 - 13 October 2023