Bottle-top dispenser with variable volume and recirculation system. Plunger with a positive displacement piston and a fluoroplastic (PFA) sealing lip on the cylinder wall. Special redosing valve to prevent reagent loss during the purging process. Materials in contact with liquids: borosilicate glass, ceramic of Al2O3, FEP, ETFE, PFA, PTFE, platinum-iridium and PP. Resistant to most acids, solvents and bases. Autoclavable at 121ºC. Provided complete with: 3 or 5 PP adaptors (see table below), 1 telescopic suction hose, 1 fitting wrench, instruction manual and a certificate of quality.
Also available with DAkkS calibration certificate or individual quality certificate.