Dimensionally stable basic vessel with exchangeable liner and screw cover made of TFM, homogenous, non-porous surface. The liner allows a more precise weighted sample and different digestions with only one basic vessel. 1 piece of sealing and rupture membranes already mounted, 10 pieces of replacement membranes included in delivery. For samples of up to max. 0,5 g. Capacity ml 20, Internal dimensions Ø x Height mm 30 x 63, O.D. of body mm 50, O.D. of cover mm 60, Pressure max. bar 20, Temperature max C° 150