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0.22 Syringe Filter

0.22 Syringe Filter

Needle-type filters feature standard connectors and are compatible with most syringes and needles. They are suitable for sample pre-filtration, particulate impurity removal, and sterile filtration or detection of liquids and gases. Applications include HPLC and GC sample filtration, sterilization of cellular reagents or removal of protein precipitates, dissolution assays, food analysis, biofuel analysis, and environmental monitoring.
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Specifications

 

 

Pore Size

Fixed at 0.22 micrometers, meeting GMP or pharmacopoeia standards for 99.99% sterilization. Also suitable for sample filtration preparation using chromatographic column packing with particle sizes less than 3μm.

 

Diameter

Common sizes include 13mm, 25mm, and 33mm. The 13mm diameter is suitable for filtering sample volumes of 1-10ml, the 25mm diameter for 10-100ml, and the 33mm diameter for larger sample volumes.

 

Sterilization Status

Available in sterilized and non-sterilized types. Sterilized samples are typically sterilized using gamma rays and aseptically individually packaged.

 

 

Products Description

 

  • Low protein binding: 0.22-micron syringe filters made of PVDF material reduce protein adsorption, improving sample recovery.
  • High flow rate: It features high flow rate and high throughput, enabling it to complete filtration operations quickly.
  • Good chemical compatibility: Filter membranes of different materials are suitable for various solvents, including aqueous and organic solutions. For example, nylon membranes are suitable for both aqueous and organic solvents, while PES membranes have good tolerance to some organic solvents and acid/alkali solutions.

 

 

Customizable Options

 

  1. Customizable Membrane Material: Supports a variety of membrane materials including PES and PVDF to meet diverse application scenarios such as aqueous solutions, biological samples, and organic solvents.
  2. Pore Size and Specification Combinations: Offers a series of configurations with multiple pore sizes, including 0.1 / 0.22 / 0.45 µm, facilitating the establishment of a complete product line.
  3. Shell Structure and Color: Supports customization of different shell colors, diameter specifications (e.g., 13 mm, 25 mm), and interface types to enhance product recognition.
  4. Packaging Customization: Offers options for individual bags, aseptic packaging, or customer-specified packaging solutions to suit various sales and usage scenarios.
  5. Brand and Label Customization: Supports OEM labeling services, including customization of product labels, outer box markings, and instruction manual content.
  6. Application Solution Support: Provides membrane selection advice and application support based on customer sample type and usage scenario.

 

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FAQ

 

What is the core function of a 0.22μm needle filter?

Its core function is the sterilization filtration of liquids/gases (compliant with GMP/Pharmacopoeia standards, sterilization rate ≥99.99%) and the removal of particulate impurities. It is also suitable for sample pretreatment in chromatographic analysis (HPLC/GC) to prevent particle blockage of the chromatographic column. It can also be used for the sterilization of cell reagents and biological solutions.

 

How to choose between sterilized and non-sterilized specifications?

  • Sterile specifications (gamma-ray sterilization, individually packaged): For direct use in experiments requiring sterility, such as cell culture, sterile reagent preparation, and clinical sample processing, no additional sterilization is required, avoiding secondary contamination.
  • Non-sterilized specifications: For sample pretreatment without sterility requirements, such as routine impurity removal and chromatographic analysis of non-sterile samples. Sterilization can be performed according to requirements.

 

Which specifications can be customized for bulk purchases?

Single material/diameter specifications can be customized for bulk orders, as well as mixed specification sets. Packaging quantities can be customized to suit different purchase volume needs.

 

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