Raman spectroscopy is a promising method for analyzing natural gas due to its high
measurement speed and the potential to monitor all molecular components simultaneously …

In this review article, the main techniques for spectroscopic studies of gases in field
conditions are considered. The issues related to the study of gas emissions from soils and …

The aims of this research were to prepare activated carbon (AC) impregnated with
tetraethylenepentamine (TEPA) for use in carbon dioxide (CO2) capture and to then develop …

Multiple reflection has been proven to be an effective method to enhance the gas detection
sensitivity of Raman spectroscopy, while Raman gas probes based on the multiple reflection …

The carbon isotope (δ 13 C) signature of CO 2 within fluid inclusions is of significance to
investigate because it can be used to decipher the carbon source of geological fluids …

An improved gas analyzer based on Raman spectroscopy is presented. The device can
measure the content of all molecular species of atmospheric air, whose concentration …

The carbon isotopic composition of CO 2 is traced to its different origins and widely used in
the fields of geology, biology, and chemistry. Raman spectroscopy can be performed in situ …

The urea breath test is a non-invasive diagnostic method for Helicobacter pylori infections,
which relies on the change in the proportion of 13CO2 in exhaled air. Nondispersive infrared …

Li-CO 2 cells provide exceptional benefit by storing considerable energy and achieving
environmental carbon fixation. However, the sluggish kinetics of the Li-CO 2 reaction and …

Raman spectroscopy is a promising tool for measuring the composition of natural gas.
However, to obtain high measurement accuracy, it is necessary to take into account changes …