| _version_ | 1866902137976389632 |
|---|---|
| author | Aleksanyan, Artur |
| author_facet | Aleksanyan, Artur |
| contents | <p>As part of the DELYCIOUS project, a Raman gas analyser prototype was developed and calibrated using<br>certified gas mixtures to ensure accurate detection of hydrogen (H₂), oxygen (O₂), nitrogen (N₂), and<br>water vapor (H₂O). Calibration was performed with Horiba’s Astra H2 software, which enables intuitive<br>workflow setup and recalibration using minimal amount of reference gases.<br>Each gas was calibrated using at least two reference points for a full-scale measurement (0 to 100%).<br>This method ensures reliable performance and easy recalibration at client sites.<br>Key results:<br>• The analyser accurately measured dry and humid gas mixtures with a limit of detection (LOD)<br>of 1% and with acquisition times optimized at 3–4 seconds.<br>• In humid mixtures, the analyser successfully identified water vapor peaks and quantified concentrations<br>of gas matrix. Raman gas analyser prototype is not compatible with liquid water;<br>hence, it needs to be removed from the gas stream before the measurements.<br>• The system supports both quantitative and qualitative gas detection, including low concentration<br>components below 1%. Quantitative measurement allows for monitoring the concentration<br>dynamics in the framework of manipulations with electrolysers. Qualitative measurement<br>gives additional information about the composition of the gas matrix which could be crucial to<br>detect; Indeed, contaminants and undesirable chemical components can potentially deteriorate<br>the stack.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18538951 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | D3.2 Lab scale Raman test report Aleksanyan, Artur Raman spectroscopy electrolysis Hydrogen gas detection analytical chemistry <p>As part of the DELYCIOUS project, a Raman gas analyser prototype was developed and calibrated using<br>certified gas mixtures to ensure accurate detection of hydrogen (H₂), oxygen (O₂), nitrogen (N₂), and<br>water vapor (H₂O). Calibration was performed with Horiba’s Astra H2 software, which enables intuitive<br>workflow setup and recalibration using minimal amount of reference gases.<br>Each gas was calibrated using at least two reference points for a full-scale measurement (0 to 100%).<br>This method ensures reliable performance and easy recalibration at client sites.<br>Key results:<br>• The analyser accurately measured dry and humid gas mixtures with a limit of detection (LOD)<br>of 1% and with acquisition times optimized at 3–4 seconds.<br>• In humid mixtures, the analyser successfully identified water vapor peaks and quantified concentrations<br>of gas matrix. Raman gas analyser prototype is not compatible with liquid water;<br>hence, it needs to be removed from the gas stream before the measurements.<br>• The system supports both quantitative and qualitative gas detection, including low concentration<br>components below 1%. Quantitative measurement allows for monitoring the concentration<br>dynamics in the framework of manipulations with electrolysers. Qualitative measurement<br>gives additional information about the composition of the gas matrix which could be crucial to<br>detect; Indeed, contaminants and undesirable chemical components can potentially deteriorate<br>the stack.</p> |
| title | D3.2 Lab scale Raman test report |
| topic | Raman spectroscopy electrolysis Hydrogen gas detection analytical chemistry |
| url | https://doi.org/10.5281/zenodo.18538951 |