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Optical gas standards for reactive gas species concentration measurements based on dTDLAS

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To complement gaseous certified reference material (CRM) used as calibration gas mixtures, we report on dTDLAS-based Optical Gas Standards (‘OGS’) for absolute (“calibration free”) concentration measurement of gas species like, e.g., H2O, CO, HCl, NO2, reporting excellent agreements between dTDLAS results and CRM values.

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