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GE Healthcare Whatman™ Mini-UniPrep™ Syringeless Filters

Processes sample loads in one-third the time. Whatman™ Mini-UniPrep™ Syringeless Filters provide a faster and easier way to remove particulates from samples being prepared for HPLC and UHPLC analysis.

Manufacturer:  GE Healthcare UN503NPUGMF

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Catalog No. 09-923-34

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Whatman Mini-UniPrep™ Transparent Syringeless Filters quickly and easily remove particulates from samples being prepared for HPLC/UHPLC analysis, while maintaining sample visibility.

  • Pre-assembled all-in-one filtration unit eliminates the need for syringe filter, syringe, vial and septum, reducing costs by up to 40%
  • Wide range of membrane choices in 0.2 and 0.45 µm pore sizes to meet specific sample application requirements
  • Compatible with most major autosamplers for high-throughput analysis
  • Fewer consumables required
  • Plunger contains a filtration membrane at one end and a pre-attached cap/septum at the other
  • Can be used either manually or with a compressor unit
  • Multi-sample compressor processes up to 6 samples at a time, further improving sample processing time and reducing hand stress
  • Designed to fit into any autosampler accommodating 12 x 32mm vials -OR-
    Septum can be pierced with needle and sample drawn off for manual injection into an analyzer


Autosampler, Compressor
Septa: polytetrafluoroethylene (PTFE) coated silicone rubber
Routine HPLC/UHPLC analysis; Sample filtration; Composite assays; Content uniformity; Protein precipitation; Solubility/dissolubility testing; Ion chromatography
Polypropylene (PP)
Glass Microfiber (GMF)
Equivalent in size to 12 x 32mm vials 
Syringeless Filter
0.6 bar / 8 psi (to compress)
0.28cm sq.
Vial with incorporated filtration membrane, plunger and cap/septa
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