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Disposable Syringe Filter 0.22/0.45μm – Sterile for Lab Sample Purification

Syringe filter is a small disposable filtration device used for sample preparation and purification in laboratories. Made of high-quality membrane and plastic housing, it effectively removes particles, bacteria and impurities from liquids.
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Syringe Filter Product Introduction

Syringe filter is a small disposable filtration device used for sample preparation and purification in laboratories. Made of high-quality membrane and plastic housing, it effectively removes particles, bacteria and impurities from liquids.


With different pore sizes and membrane types, it fits various solutions and solvents. It is easy to operate without additional equipment. Widely used in HPLC, sample filtration, biological and medical testing, providing fast, accurate and reliable filtration for laboratory analysis.


Application Scenarios of Syringe Filter

1. HPLC and Chromatographic Sample Preparation

Syringe filters effectively remove particles from liquid samples, protecting chromatographic columns and instruments from damage. They ensure accurate and stable test results in HPLC, GC, and other analytical processes.

2. Biological and Medical Sample Filtration

Widely used for filtering cell culture media, buffers, vaccines, and biological fluids. They remove bacteria and impurities while maintaining sample activity, meeting strict laboratory and clinical requirements.

3. Food and Beverage Safety Testing

Applied in sample pretreatment for food safety detection. They quickly clarify solutions and remove interference particles, supporting reliable analysis in quality control and inspection.

4. Pharmaceutical and Chemical Laboratory

Used for filtering reagents, solvents, and drug preparations. With various membrane options, they are compatible with different solutions and ensure purity for scientific research and production.

5. Environmental Water Quality Testing

Ideal for filtering environmental water samples before analysis. They efficiently remove suspended solids and microorganisms, ensuring accurate detection of water quality indicators.


Application Scenarios of Syringe Filter

1. Chromatographic Sample Filtration

Syringe filters are widely used for sample preparation in HPLC, UPLC and GC. They remove particles efficiently to protect analytical columns and ensure accurate, stable test results in laboratory testing.

2. Biological Sample Preparation

Suitable for sterilization and filtration of cell culture media, buffers, vaccines and biological solutions. They remove bacteria and impurities while maintaining sample activity for reliable biological experiments.

3. Food and Beverage Testing

Used in food safety inspection to filter sample extracts. They clarify liquids and eliminate interference particles, ensuring precise detection of additives, contaminants and nutritional components.

4. Pharmaceutical Laboratory Use

Applied in pharmaceutical R&D and quality control for filtering reagents, drug solutions and raw materials. Different membrane types provide strong compatibility with various chemical solutions.

5. Environmental Water Analysis

Ideal for pretreatment of environmental water samples. They quickly filter suspended solids and microorganisms, improving accuracy in water quality monitoring and environmental testing.


Instructions for Use – Syringe Filter

Remove the syringe filter from its package and attach it firmly to the front of a disposable syringe. Draw the liquid sample into the syringe, then gently push the plunger to filter the solution. Do not use excessive force to avoid damage. After use, dispose of the filter safely. For best results, select the appropriate membrane and pore size according to your solution type.

FAQs
  • What are 0.22μm and 0.45μm filters used for?
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    0.22μm filters achieve sterile filtration, while 0.45μm filters are for particle removal and sample clarification. Both are widely used in HPLC and biological sample preparation.
  • How to choose the right membrane?
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    PES is for aqueous solutions, Nylon for general solvents, PVDF for strong solvents. Choose based on your sample type to ensure good compatibility and filtration effect.
  • Are syringe filters reusable?
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    No, they are designed for single use only. Reuse may cause cross-contamination, blockage or inaccurate results. Dispose after one-time use safely.
  • Can they be used for HPLC samples?
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    Yes. They effectively remove impurities and particles to protect HPLC columns and improve testing accuracy. They are standard pretreatment tools for chromatographic analysis.
  • Are sterile filters available?
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    Yes. We provide gamma-irradiated sterile syringe filters, which are DNase-free and RNase-free, ideal for cell culture and medical applications.
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