Poly divinylbenzene porous beads GDX-103 are widely used in gas chromatography as a stationary phase for the separation and analysis of complex mixtures, including high boiling point compounds and trace water. Their high surface area and uniform pore structure (60-80 mesh) make them effective for adsorbing and separating volatile organic compounds (VOCs), other gaseous substances, and semivolatile analytes. They are particularly useful in environmental monitoring to detect pollutants in air and water samples. Additionally, these beads are employed in the purification and concentration of trace analytes in industrial and laboratory settings. Their thermal stability and chemical resistance allow for reliable performance in high-temperature applications, making them a preferred choice in analytical chemistry.