A gas evolution reaction is a chemical reaction in which one of the end products is a gas such as oxygen or carbon dioxide. Gas formation reactions are carried out in a smokehouse when the gases produced are toxic or explosive when inhaled. Evolved gas analysis (EGA) is an analysis method used to study gas emanating from a heated sample that has undergone decomposition or desorption. Using this method it is possible to clearly analyze which gases evolved. Therefore, different analytical methods such as gas chromatography-mass spectrometry (GC/MS) are used to analyze different gases produced from a material.
Evolved gas analysis (EGA) is a useful technique for determining the complexity of a sample as well as identifying thermal regions of interest. Using mass spectrometry, a single extracted ion can be traced to select compounds or groups of compounds of interest. This is then followed by specific gas chromatography-mass spectrometry (GC/MS) studies for a more detailed analysis of each thermal event.
The evolved gas analysis method relies on tracking small amounts of gas molecules that come out of samples when heated above room temperature. This analysis method is primarily used to determine:
This information is vital for quality control, failure analysis or protocol creation for a manufacturing process.
Advanced laboratories are successfully using advanced evolved gas analysis (EGA) for a wide variety of samples, providing solutions to different industries, including semiconductors, aerospace and defense, coatings and adhesives, energy storage and batteries, and medical devices.
The ideal usage areas of the EGA method are:
The main limitation of this method is that most analyzes are project based, unlike standard routine analysis. Also, this method has a medium detection limit.
Our organization also provides EGA evolved gas analysis services with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors.
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