Digestion Vessels are certified to class A volume accuracy, include a metals background report and are compatible not only with our brand XJ graphite block digestion systems but also other leading brand. Made from PFA material Excellent visibility Very good resistance to acids. Application: 1. Most daily applications; 2. Various laboratories or testing institutions; 3. Medical physical and chemical analysis and testing; 4, can replace the volumetric flask configuration standard solution; 5, trace detection, trace element analysis; 6. Dress or store all kinds of organic solvents or other reagents; 7. Storage of standard substances, highly corrosive, expensive high-purity reagents;