Dispensette® S Fixed. For dosing of aggressive reagents, such as concentrated acids (for example: H3PO4, H2SO4), salt solutions and a large number of organic solvents. With fixed volume and valve for recirculation of reagents during the filling. Coming into contact with liquid parts consisting of the following materials: borosilicate glass, Al2O3-ceramic, platinum-iridium, ETFE, FEP, PFA, PTFE and PP (needle link).