Trace Analysis Dispenser, 1-10 mL, Platinum-iridium Valve Spring, with Recirculation Valve

Optimized for dispensing of ultra-pure chemicals|Improved flow technology primes quickly|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).