Amicon® Ultra-4 Centrifugal Filter Unit

Ultracel-30 regenerated cellulose membrane, 4 mL sample volume


Quality Level


polyethylene cap
polyethylene liner
polypropylene tube
regenerated cellulose membrane
regenerated cellulose support
styrene-butadiene housing



product line



Amicon Ultra


protein extraction: suitable
protein purification: suitable


124 mm (4.88 in.)


17.3 mm

filtration area

3 cm2

pore size

30 kDa NMWCO

test parameters

sample volume: 4 mL

shipped in


General description

AMICON ULTRA-4 4ML - 30 KDa cutoff. Available in 3 pack sizes.
UFC803008 - 8 pack
UFC803024 - 24 pack
UFC803096 - 96 pack

High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs
High retentate recovery of greater than 90%
Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes)
Heat-sealed membrane minimizes downstream extractables
100% integrity tested for reliable performance
Convenient sample monitoring with translucent housing and volume gradations
Direct pipette sample access eliminates processing step to recover concentrate
High concentration factors of 80–100X

Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms
Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC
Concentration of dilute or pre-purified proteins from column eluents
Desalting, buffer exchange and protein dialysis
Filter Code: PLTK
Filter Type: Ultrafiltration


Ultracel-30 regenerated cellulose membrane, 4 mL sample volume

Features and Benefits

Minimum Final Concentrate Volume: 50 µL

Physical form

Color Code: Clear with pink cap

Legal Information

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