Syringe filters are a fast, convenient, and reliable filtering tool commonly used in laboratories, with a beautiful appearance, lightweight, and high cleanliness. Here are some introductions to the syringe filter.
Brief Introductions of Syringe filters:
Disposable syringe filters are mainly used for the filtration of mobile phases and samples in chromatography. And disposable sterile syringe filters are also great for protecting columns and chromatographic systems from contamination while increasing the sensitivity and accuracy of analytical results.
Features of Syringe filters:
- In all kinds, such as hydrophobic PTFE syringe filters, the housing is made of sanitary polypropylene material.
- And the structure of the sterile syringe filter housing is precise and the design is reasonable to ensure smooth filtration.
- In addition, used with a filter membrane, the flow rate is fast, the pressure resistance is stronger, and not damaged easily.
- The filter has a built-in filter membrane, with uniform pore size, high porosity, high filtration accuracy, and extremely low residual rate, reducing sample waste.
- And the interface connection is tighter and the use is more convenient.
Application of Syringe filters:
What are syringe filters used for:
- Filtration of aqueous and organic solutions in educational and commercial R&D laboratories; teaching, quality inspection, and quality control
- And sample preparation for chromatography and mass spectrometry
- Analysis of ambient air, waste gas, and water quality
- And testing and analysis of raw materials, finished products, and semi-finished products of food, beverages, and medicines
- Drug testing, medical research, life science research
- In addition, microelectronic semiconductor, the chemical industry, cement/mineral analysis, etc.
- In HPLC analysis to pre-filter the sample and solvent to remove particulate contaminants and protect the instrument.
- Syringe filters can be for HPLC analysis and IC analysis, filtering the sample solution, removing impurities in the solution, and preventing impurities from clogging the chromatographic column
- And widely used in pharmaceutical analysis, food testing, environmental monitoring, protein removal, and sterility testing.
Syringe Filter Selection Considerations:
1. Consider Effective Filtration Area (EFA)
- Particles in the fluid can affect the life of the filter, and as the particles are removed by the filter, they can also clog the voids, reducing the usable portion of the filter.
- And fluids that contain particles are more likely to clog filters than “clean” fluids, and increasing the EFA (effective filter area) can extend filter life.
2. Consider the aperture size
- Select the appropriate pore size according to the analytical instrument. UV/V spectrophotometers may only require 1um filtration
- HPLC analysis may require 0.45um filtration, UHPLC may require 0.2um filtration, and the pore size of the filter material depends on the volume, packing size
- And minimum particle size of the interstitial. Then intercepted particles by filters of rated pore size.