GD/X 25mm Syringe Filter, Nylon Filteration Medium, 5.0um (150 pcs)
Whatman SKU: 6870-2550

Whatman GD/X Nylon Syringe Filters, 5 µm, 25 mm, 150/Pk - 6870-2550

Whatman ties GD/X prefiltration performance to one closely held fiber-grade standard applied at every production run, keeping results repeatable from one manufacturing lot to the next. Syringe filters span a wide range of membrane chemistries and pore sizes, so the format can be matched to the sample matrix and solvent system in use. The nylon membrane draws aqueous buffers without pre-wetting and resists particle shedding through extended cycles. The polypropylene housing presses snugly against the membrane during the pass while keeping sample purity intact through the filtration pass and maintains structural integrity through elevated-temperature sample preparation. When method reproducibility rests on consistent sample prep, syringe filtration holds that standard injection after injection.

Membrane Characteristics

• Filtration clarifies HPLC mobile phase buffers of particulates
• Amorphous-crystalline nylon blend composition doubles membrane burst strength over homopolymer nylon
• Integrated glass-fiber prefilter increases dirt-holding capacity
• Alkaline-resistant across a broad range of aqueous buffers
• Non-sterile format suits HPLC and GC sample clarification

Housing Characteristics

• Polypropylene housing withstands operating temperatures up to 121°C without softening or dimensional distortion.
• Standardized luer connection geometry provides secure engagement with standard syringe tips
• The seal formed against the membrane blocks bypass at rated operating pressure
• Dilute aqueous acids, bases, and alcohols used in sample prep do not degrade the polypropylene housing

A clean particulate separation keeps your aqueous sample preparation dependable. Consistent aqueous clarification clears particulates without slowing your bench routine from the first sample of the day through the last. Standardize your filtration purchases across every method with volume pricing and documentation from the Tisch Scientific team.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

25mm

Filtration Area

4.6cm²

Holdup Volume

1.4ml

Material

Nylon

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

121°C

Pack Count

150

Pore Size (µm)

5

Prefilter (Yes/No)

Yes

Prefilter Material

Glass Microfiber (GMF)

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 100ml

Wettability

Hydrophilic

• Beverage QC Clarification - Clarifies wine, beer, and juice samples ahead of analytical and microbiological testing in quality control labs.
• Environmental Extract Prep - Clarifies water and soil extracts ahead of trace metals or pesticide-residue analysis for accurate results.
• Solvent Filtering - Supports clarification of ester-based and alcohol solvents with precision during routine laboratory sample processing.
• Dissolution Testing - Supports accurate drug release profiles by clarifying dissolution samples ahead of HPLC quantitation in QC labs.
• Biofuel Particulate Testing - Removes particulate debris from biodiesel and fuel samples ahead of chromatographic QC analysis in fuel testing labs.
• Mining Process Waters - Clarifies process water samples from hydrometallurgical operations, removing solids ahead of ICP-MS trace metal quantitation.