Infrared (IR) Spectroscopy

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A breathtaking digital illustration of a comet streaking across a starry sky © tashechka - stock.adobe.com

Researchers using the James Webb Space Telescope (JWST) have observed a water vapor coma around main-belt comet 238P/Read. The study, led by Michael S. P. Kelley and Henry H. Hsieh, provides insights into the comet's activity driven by water-ice sublimation and distinguishes it from other comets due to the absence of significant carbon dioxide gas.

Scientist investigating the chemistry of the environment © Michael - stock.adobe.com

Spectroscopic analytical techniques are crucial for the analysis of environmental samples. This review emphasizes the latest advancements in several key spectroscopic methods, including atomic, vibrational, molecular, electronic, and X-ray techniques. The applications of these analytical methods in detecting contaminants and other environmental applications are thoroughly discussed.

black asphalt yellow markings | Image Credit: © Vitaly Krivosheev - stock.adobe.com

Reclaimed asphalt (RA) is often used in many road maintenance and construction projects. A recent study demonstrated how Fourier transform infrared spectroscopy (FT-IR) can be used to analyze RA to ensure its efficacy for new asphalt mixtures.