Sepacore - Modular and Flexible with extended pressure range. Flash Chromatography" is a rapid form of preparative chromatography. All you need for quick and reliable results is a simple operation using high-quality components. Büchi Sepacore offers customers easy to use solutions for flash chromatography. With its extended presure range up to 10bar/145 psi or 50bar/725psi it breaks up the limits known in Flash Chromatography