HPDâ„¢ High Pressure Dispenser

Traditional volumetric dispensers are designed for pipetting reagents or samples into vials or wells at ambient pressure or a few Bar at most. Online volumetric reagent delivery however, may require the ability to introduce reagents into a system with a high working pressure. The HPDâ„¢ was originally designed by Spark for SPE solvent delivery in on-line SPE-LC systems, but other applications are easy to imagine. Think of pre-column reagent addition for online derivatization in HPLC, post-column reagent addition for detection enhancement, etc.

• Accurate volume delivery at controlled flow rates
• Independent of backpressure up to 300 Bar
• Selects from 4-24 solvents...or samples!
• On-line solvent mixing 
• Dual-syringe version for high throughput 

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