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  • DBS Autosampler
  • PicoOnlineSPE System
  • YL6100 PC 1
  • Ecosec Offen72
  • Osmomat3000
  • Interchim Puriflash

instrumenter

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SPE moduler

ACE™ Automatic Cartridge Exchanger ACE™ Automatic Cartridge Exchanger

ACE™ Automatic Cartridge Exchanger

Combining the best of the on-line and off-line SPE worlds. Off-line SPE (Solid Phase Extraction) provides cartridge refreshment for every sample, avoiding the risk of retention change and carry-over. However, limited pressure resistance prohibits the use of small sorbent particles. Off-line elution of the sample requires collection and reformatting (often including evaporation and reconstitution) into autosampler vials or wells. And finally… injection into the LC system! It also requires at least one manual transfer of collected samples from the SPE robot to the LC system.

HPD™ High Pressure Dispenser HPD™ High Pressure Dispenser

HPD™ 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 HPD™ 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.

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