Floating piston design reduces force needed to operate dispenser, even for large volumes
Discharge valve closes automatically when discharge tube is removed
Large viewport shows chemical location in discharge tube
Hinged screw cap swivels downward staying out of your way
Dispensers feature flowpaths made of EFTFE, FEP, PFA, PCTFE, PTFA, PTFE, and Al203 sapphire with a valve spring choice of either tantalum or platinum-iridium alloy. A special wiping seal cartridge ensures the integrity of your ultra-pure chemicals. Dispensette S Trace Analysis Dispensers are recommended for high-purity applications and hydrofluoric acid. Choose between tantalum and platinum-iridium valve springs (use Pt-Ir for HF acid).