Carbon Dioxide Raman Spectrum

Carbon dioxide (CO2) is a colorless gas with a density approximately one and a half times higher than that of dry air. Its molecules consist of a carbon atom covalently double bonded to two oxygen atoms, and it occurs naturally in Earth's atmosphere as a trace gas. Since CO2 is used extensively in all spheres of human activity, its excessive concentration can lead to various disasters. For this reason, it is absolutely vital to control air quality and detect CO2 leaks. In this regard, it is of enormous benefit to science to have an online measurement tool for the CO2 capture process as it can be used to optimize the process conditions.

Detailed graph of CO2 raman response
Detailed graph of CO2 Raman response

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Raman spectroscopy of CO2

The CO2 content in gases or liquids can be determined based on the CO2 Raman spectrum, which makes Raman spectroscopy a powerful process analytical technology for CO2 detection. The feasibility of its fast response, remote sampling, and water-insensitive spectral features render this technique a potential candidate for online applications in the CO2 capture process.

Raman Spectra Library

Raman spectroscopy can uniquely identify many chemical and biological agents.

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