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Key Documents

WHA67942504

Whatman® Puradisc 25 syringe filters

0.45 μm, polyethersulfone, 1000/pk

Synonym(s):

Whatman filter, Whatman filters, Z744980, disposable syringe filters

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About This Item

UNSPSC Code:
41104922
NACRES:
NB.24

material

polyethersulfone membrane
polypropylene housing

sterility

non-sterile

packaging

pack of 1000

manufacturer/tradename

Whatman 6794-2504
Whatman Article No. 28420346 (US reference)

diam.

25 mm

filtration area

4.2 cm2

volume

≤100 mL

pore size

0.45 μm

fitting

female Luer inlet (lock)
 male Luer outlet

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General description

Whatman Puradisc non-sterile syringe filters with polyethersulfone (PES) membrane combine premium quality with economic efficiency.

Puradisc syringe filters cater to a wide variety of sample types and applications, including capillary electrophoresis, biological preparations, protein filtration, and UV spectroscopy sample preparation. Different Puradisc membrane media support diverse chemical solvents and compounds.

Polyethersulfone (PES) membranes

Hydrophilic PES membranes are designed for stability in low pH, have low levels of extractables, and exhibit low protein binding, making them suitable for many aqueous and organic solvents. PES membranes allow higher liquid flow than either PTFE or PVDF.

Puradisc is available in the following membrane materials: regenerated cellulose (RC), cellulose nitrate, nylon, polytetrafluoroethylene (PTFE), polyethersulfone (PES), polypropylene, polyvinylidene difluoride (PVDF), and cellulose acetate.

Features and Benefits

  • Eight different material options
  • Choice of 4 mm, 13 mm, and 30 mm syringe filter diameter to suit sample volume
  • Range of pore sizes for retaining a variety of particles
  • Optional sterile, medical-grade blister pack
  • Optional tube-tip format for accurate dispensing into a micro-vial

Suitability

Suitable for filtration of biological and HPLC samples.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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