Lab Filtration Products

Ahlstrom offers gridded sterile membranes packed individually for use in colony counting, particle testing, and microscopy. These cellulose nitrate (CN) membranes are available in a standard 47 mm diameter size. Each membrane is individually packaged and 760219 squares are in a strip that can be fed...

Microbiological Monitor: The membrane is fixed to the unit. Available 47 mm or 56 mm Features and Benefits: Rapid testing: Pre-sterilized reduces testing time by up to 70% No flaming required: Combined filtration unit minimizes the risk of cross-contamination Filtration unit easily converts to a...

Depth filters with high particle loading capacity. Made of 100% borosilicate. Temperature resistant up to 500 °C. Typically placed directly on top of other membrane filters to act as a prefilter; or may be used to filter solutions directly.

CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of lifetime...

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. Superior quality neutral filter paper. Suitable for medium filtration, very low ash content.

Special filter for ion chromatography For the filtration of aqueous liquids For optimal results with blind values < 5 ppb we recommend to pre-wash the filter with de-ionized water

Ensure product integrity of Thermo Scientific™ Nalgene™ MF75 Series Filter Unit or Bottle Top Filters by using the Nalgene™ Bubble Point Test Apparatus. Tests filter unit membranes without removing the membrane from the filter unit. Cast aluminum Tests the bubble point of 50, 75...

Two Left Instrument Filters are included in the NexION 2000 ICP-MS Base Configuration's Consumable Kit (N8150054), Core Configuration's Comsumable Kit (N8150055), Productivity Configuration's Consumable Kit (N8150056), and Semi Configuration's Consumable Kit (N8150057).

  *Bottle not included* For filtration of medium volumes Cell culture media and HPLC solutions Can be used up to 50°C ZapCaps are complete 500 mL units complete with tubing for attaching to bottle tops. The connection will seal on any standard bottle (33-45 mm). Membrane diameter is 76 mm...

CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of lifetime...

Wide chemical compatibility Naturally hydrophilic Wide range of pore sizes Recommended for: aqueous, solvent and mobile phase filtration; HPLC sample penetration and solvent filtration; clarification and sterilization Autoclavable pH range: 3-12 Manufactured using a unique impregnation process that...

Nalgene filters have the Rapid-Flow multi-column membrane-support system. This proprietary system provides a uniform, consistent separation between touchpoints with the membrane, minimizing gap stress to maintain optimal flow. 0.2 micron filters remove all bacteria 0.45 and 0.8 micron filters for...

Provides fast sample processing, high sample recovery This Amicon Ultra 0.5 mL centrifugal filter enables the concentration of proteins with a membrane NMWL of 3 kDa. Amicon Ultra centrifugal filters are ideal for protein purification, protein concentration & desalting. The vertical design and...

For procedures that require optimum resolution. Membrane of choice for protein or immunoblotting applications. Low background, easily blocked. BSA binding capacity up to 100µg/cm2. Wets out naturally. Compatible with all detection systems. Ideal for use with LightWave Western Blotting...

Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH range: 4-8 Clear,...

Membrane filtration, General microbiological analysis

mdi’s Centrifugal Filters are meant for high value laboratory applications like sterilization, purification, particulate removal and clarification of up to 500 µL of high value, difficult to get, biological/chemical samples. These filters offer a number of key features: Absolute...

Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH range: 4-8 Clear,...

mdi Hydrophilic PTFE membrane Syringe filters are color coded for ease of identification and offer a number of unique performance advantages: HPLC Certified for low levels of UV-absorbing extractables Hydrophilic, no pre-wetting required Unique 16-channel design for very low hand pressure and...

Color-coded polypropylene housing ensures easy identification of membrane For sample volumes of<1ml retention volume < 7.5µl maximum operating temperature: 100°c autoclave at 125°c for 15 minutes maximum operating pressure approximately 75 psi<>

Filter material and discs (paper, PTFE, and polypropylene). This high-quality filter material, including discs and fabric, offers reliable and consistent performance in a wide range of laboratory applications. The discs provide a precise filtration level, making them ideal for intricate separations...

Quick and efficient filtration of samples and all kind of solutions, solvents or gases        Housing injected in Polypropylene or Acrylic        Multifunctional Syringe Filters: equipped with luer-lock or luer-slip male...

Aggressive chemical compatibility Inherently hydrophobic Laminated and unlaminated Unlaminated membranes are more compatible with strong acids, aggressive solvents and high temperatures Recommended for: aggressive solvents, strong acids or base filtration; sterilization, clarification; and air and...

Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH range: 4-8 Clear,...