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Material
PTFE
Usage/Application
Laboratory
Is It Sterilized
Non Sterilized
Material-
PTFE
Pore size[um]-
0.22/0.45
Country of Origin
Made in India
Diameter-
13mm / 25mm
Product Capacity
100
Delivery Time
4 Days
Packaging Details
Box
Product Brochure
PTFE syringe filters are versatile tools used for filtering various solutions, especially those containing organic solvents, strong acids, or bases, due to their chemical resistance and hydrophobic nature. They are commonly employed in sample preparation for HPLC analysis, environmental and biotechnology research, and other applications requiring filtration of aggressive solutions. 1. Chemical Compatibility:
PTFE (Polytetrafluoroethylene) is known for its chemical inertness, making it suitable for filtering a wide range of solutions, including those containing strong acids, bases, and various organic solvents.
It's particularly useful when other filter materials might degrade or leach contaminants into the sample.
Examples include filtration of aqueous and organic chromatography samples, buffers, and mobile phases.
2. Environmental and Biotechnology Applications:
In environmental analysis, PTFE syringe filters are used to filter samples containing complex matrices and aggressive chemicals.
For biotechnology, their compatibility with biological samples and suitability for sterile processing makes them ideal for critical research applications.
3. HPLC Sample Preparation:
PTFE syringe filters are widely used in sample preparation for HPLC analysis, ensuring that particles and impurities are removed before injection into the chromatographic system.
They are often used in series, with a larger pore size filter (e.g., 0.45 µm) followed by a smaller pore size filter (e.g., 0.2 µm) to remove both larger particles and fine particulates.
4. Hydrophobic Nature:
PTFE is naturally hydrophobic, meaning it repels water. This property is beneficial in several ways:
It prevents the filter from becoming saturated with water when filtering aqueous solutions containing organic solvents.
It's useful in air and gas filtration applications where moisture can cause problems.
It allows for the filtration of organic solvents without the filter absorbing the solvent, ensuring efficient filtration.