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Amicon Ultra-0.5 Centrifugal Filter Unit

Ultracel-50 regenerated cellulose membrane, 0.5 mL sample volume

Centrifugal concentrator, 50 kDa MWCO, 0.5 mL sample volume


polypropylene cap
polypropylene tube
regenerated cellulose membrane
styrene-butadiene housing

Quality Level



product line



Amicon® Ultra


protein extraction: suitable
protein purification: suitable


4.99 cm (1.96 in.)


10.8 mm

filtration area

1 cm2

pore size

50 kDa NMWCO

test parameters

sample volume: 0.5 mL

shipped in


General description

Amicon® Ultra-0.5 centrifugal filter devices provide fast ultrafiltration, with the capability for high concentration factors and easy concentrate recovery from dilute and complex sample matrices. For example, BSA (67 kDa) at 1 mg/ml initial concentration is typically retained at >95% .

The vertical design and available membrane surface area provide fast sample processing, high sample recovery (typically greater than 90% of dilute starting solution), and the capability for 30-fold concentration. Solute polarization and subsequent fouling of the membrane are minimized by the vertical design, and a physical deadstop in the filter device prevents spinning to dryness and potential sample loss. Efficient recovery of the concentrated sample (retained species) is achieved by a convenient reverse spin step after collecting the filtrate.

Amicon® Ultra-0.5 devices are supplied non-sterile and are for single use only. With their vertical membrane design and reverse spin, Amicon® Ultra 0.5 mL filters deliver great performance and lower spin times.


  • Ultrafiltration with 50,000 Dalton molecular weight cutoff Ultracel® membrane
  • Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms
  • Purification of macromolecular components found in tissue culture extracts or cell lysates, primer removal, linkers, or macromolecular labels from a reaction mix, and protein removal prior to HPLC
  • Desalting, buffer exchange, and protein dialysis

Features and Benefits

  • Ultracel® regenerated cellulose membrane with 50 kDa NMWCO delivers retentate recovery of greater than 90%
  • Concentrates 500 μL down to 15 μL
  • Concentration factor 25x to 30x
  • High sample recovery (greater than 90% of dilute starting solution)
  • Fast processing time: 10 to 30 minutes
  • Reverse spin capability provides consistent recoveries


Replaces: 42415

Physical form

Color Code: Clear

Legal Information

Amicon is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTRACEL is a registered trademark of Merck KGaA, Darmstadt, Germany

Certificate of Analysis

Certificate of Origin


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Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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