Teflon Separatory Funnel
2.Big mouth Funnel：90mm/170mm/210mm/260mm
3.Wide-mouthed funnel: 150mm/200mm/250mm/300mm
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Description
Technical Parameters
Teflon separatory funnel,usually referred to as PTFE separation funnel or PTFE funnel,is a separation equipment commonly used in laboratories.
It comes in a variety of sizes,often including different capacities and shapes.The common capacity specifications are 125ml,250ml,500ml,1000ml,etc.,and the shapes include pear shape,barrel shape,etc.In addition,models with teflon pistons or stoppers can be selected according to experimental requirements.It is widely used in biochemistry,environmental monitoring,medicine and organic chemistry.It is especially suitable for the separation,purification and storage of various chemical reagents,which can effectively reduce the risk of contamination and cross-infection.
Parameter
Triangular Funnel
Big mouth Funnel
Wide-mouthed funnel
Product characteristics
Corrosion resistance
Polytetrafluoroethylene(PTFE)material has excellent corrosion resistance,can withstand a variety of strong acids,alkali and organic solvent erosion.
High temperature resistance
The teflon separatory funnel has a wide range of temperatures and can usually be used between -200 ° C and +250 ° C(or -200 ° C to +260 ° C)without deformation or damage due to high temperatures.
Difficult to adsorb substances
The surface of polytetrafluoroethylene is smooth,and it is not easy to adsorb experimental substances,thus ensuring the accuracy and repeatability of the experiment.
Good sealing performance
Excellent sealing performance,can effectively prevent the penetration and leakage of reagents.
Application in the field of environmental monitoring
Corrosion resistance and high temperature resistance
Environmental monitoring often needs to deal with a variety of corrosive gases and liquids,such as acid rain,industrial waste gas and so on.Ptfe separation funnel has excellent corrosion resistance and high temperature resistance,can withstand a variety of strong acids,alkali and organic solvent erosion,and can maintain stable performance under extreme temperature conditions.This makes the device ideal for handling corrosive samples.
Not sticky
The non-stickability of PTFE material is also of great significance in environmental monitoring.Because the sample may contain various viscous substances or contaminants,traditional funnels are prone to blockage or residue during the separation process.The device can easily solve this problem,and its smooth surface is not easy to adsorb samples,thus ensuring the accuracy and repeatability of the experiment.
Sealing and filtration effect
In environmental monitoring,the filtration and separation of samples is a crucial step.The teflon separatory funnel has excellent sealing performance,which can effectively prevent sample leakage and contamination.At the same time,its unique material and structural design enables the funnel to maintain high filtration efficiency and accuracy during the filtration process,thus ensuring the accuracy and reliability of the experimental data.
Application examples
Corrosive gas sampling:In environmental monitoring,corrosive gas samples often need to be collected and analyzed.The device can be used as part of a gas sampling filter to capture and separate particulate matter and gaseous compounds in the gas.Its corrosion resistance and high temperature resistance enable the funnel to maintain stable performance under harsh environmental conditions.
Water quality monitoring:Water quality monitoring is an important part of environmental monitoring.It can be used to treat and analyze a variety of water quality samples,including water samples containing heavy metals,organic matter and other pollutants.Its non-stickiness makes the funnel easier to clean and dry,thus avoiding cross-contamination of the sample.
Atmospheric particulate determination:In atmospheric particulate determination,it can be used to collect and analyze samples of particulate matter in the atmosphere.Its excellent filtering effect and sealing performance enable the funnel to accurately capture and separate particles,providing reliable data support for subsequent analysis and research.
Applications in organic chemistry
Corrosion resistance and chemical stability
Organic chemistry experiments often need to use a variety of strong acids,strong bases,organic solvents and other corrosive reagents.The equipment has excellent corrosion resistance and chemical stability,and can withstand the erosion of these reagents,thus ensuring the smooth conduct of the experiment and the accuracy of the experimental results.
Easy to clean and reuse
The smooth surface of the PTFE material is not easy to adsorb samples and residues,which makes the PTFE separation funnel excellent in cleaning and reuse.In organic chemistry experiments,the cleaning and reuse of the funnel is very important because the residue may affect the results of subsequent experiments.The easy cleaning and reuse characteristics of the teflon separatory funnel not only improve the efficiency of the experiment,but also reduce the cost of the experiment.
Efficient separation effect
The device has an efficient separation effect and can accurately separate the different components in the mixture.In organic chemistry experiments,it is often necessary to separate and purify the reaction products to obtain pure target compounds.The efficient separation effect of the teflon separation funnel makes this step simpler and more efficient.
Application examples
Extraction and separation of organic matter:In organic chemistry experiments,this equipment is often used to extract and separate organic matter.For example,by adding an insoluble liquid mixture such as organic solvent and water,shaking the funnel so that the solvent interacts with the target compound in the mixture,and then separating the target compound in the organic solvent through the two-phase separation of the liquid-organic layer and the water-water layer.
Vacuum filtration:The device can also be used in conjunction with the suction filter bottle for the vacuum filtration of crystal or coarse sediment in inorganic preparation.In organic chemistry experiments,vacuum filtration is a common separation technique used to remove solid impurities or precipitates from reaction mixtures.Its corrosion resistance and ease of cleaning make it ideal for vacuum filtration processes.
Separation in synthetic reactions:In organic chemical synthesis reactions,it is also commonly used for the separation and purification of reaction products.By adjusting reaction conditions and separation steps,pure target compounds can be obtained,providing strong support for subsequent chemical research or application.
Applications in the medical field
Biomedical Research
In biomedical research,it is often used to separate and purify biological samples,such as blood and tissue fluid.Through specific separation steps,pure biomolecules or cells can be obtained,providing strong support for subsequent research.
Drug preparation
It can be used to separate and purify pharmaceutical ingredients,ensuring the purity and quality of drugs.At the same time,due to its corrosion resistance and high temperature resistance,it can also be used for sterilization and disinfection of drugs.
Clinical diagnosis
In clinical diagnosis,the device is also commonly used to process and analyze biological samples from patients.By isolating and purifying the specific components in the sample,it can provide accurate diagnosis basis for doctors.
Cleaning and maintenance
Cleaning procedure
Prepare cleaning tools:
Use a soft cotton cloth, sponge, or special wipe pad labeled "for non-stick products."
Avoid using wire brushes, rigid brushes, or other tools that may scratch the Teflon coating.
Choose a cleaner:
Use mild, soapy water or a neutral cleaner.
Avoid cleaners containing abrasives, ammonia, or acids, which may damage the Teflon coating.
Perform cleaning operations:
Mix an appropriate amount of warm water (no more than 40 ° C is recommended) with the cleaner.
Using the prepared cleaning tool dipped in the cleaner, gently scrub the inner and outer walls of the Teflon separator funnel.
For stains or residues that are difficult to remove, you can use a plastic scraper or a wood scraper to gently remove them, but avoid using a metal scraper.
Rinse and dry:
Rinse the Teflon separator thoroughly with clean water.
Use a clean towel to gently dry the funnel to avoid water stains or hair residue.
Maintenance advice
Do not soak the Teflon separator funnel in water for a long time to avoid affecting its performance.
Although Teflon has a high temperature resistance, prolonged high temperature use may cause the coating to break down or discolor. Therefore, avoid using Teflon separation funnels at high temperatures for long periods of time.
At the same time, it is also necessary to avoid placing it in a high pressure environment to prevent damage to the coating.
The surface hardness of the Teflon coating is low and it is easily affected by the scratching of hard objects. Therefore, during storage and use, sharp objects or hard objects should be avoided in contact with the coating surface.
Check the surface of the Teflon separation funnel regularly for scratches or damage. If found, measures should be taken in time to repair or replace.
When storing the Teflon separator funnel, ensure that its surface is dry, clean, and avoid contact with sharp objects.
How to prevent residual impurities
In order to prevent residual impurities from the Teflon separation funnel, the following measures can be taken:
Preparation before use
Check funnel status
Before using the Teflon separation funnel, carefully inspect its surface and inner wall for scratches, damage, or residue.
Ensure that the seal of the funnel is good to prevent impurities from entering the inside of the funnel through the gap.
Pretreatment materials
Before pouring the material into the funnel, ensure that the material has been properly pretreatment, such as filtration, precipitation, etc., to remove large particles of impurities in it.
The use of precautions
Control the tipping speed
When dumping materials, control the dumping speed to avoid materials rushing into the funnel too quickly, resulting in impurities being brought into the funnel.
Regular cleaning
During use, the Teflon separation funnel is cleaned regularly to remove impurities and residues that may be attached.
Use mild cleaners and soft cleaning tools for cleaning and avoid hard brushes or abrasives that may damage the Teflon coating.
Avoid collisions and scratches
Avoid hitting or scraping the Teflon separator funnel during use to prevent coating damage and residue of impurities.
The treatment after use
Complete emptying
After use, ensure that the material in the Teflon separation funnel has been completely emptied to avoid residue accumulation in the funnel.
Drying treatment
After the Teflon separation funnel is cleaned, it is dried to prevent moisture residue from causing corrosion or mold growth.
In good storage
Store the Teflon separator funnel in a dry, ventilated, and dark place to avoid prolonged exposure to sunlight or humidity.
Other recommendations
Use special tools
Use specially designed tools to operate the Teflon separation funnel to reduce the risk of potential damage to the funnel and residue of impurities.
Regular inspection and maintenance
Regularly check the coating condition, sealing performance and cleanliness of the Teflon separation funnel to detect problems and maintain them.
Follow the code of practice
Use the Teflon separator funnel in strict accordance with the operating specifications to avoid impurity residue and coating damage caused by improper operation.
In summary, by taking the above measures, the residual impurities of the Teflon separation funnel can be effectively prevented, ensuring its long-term stable operation and maintaining high performance.
Conclusion
The Teflon separatory funnel is a valuable tool in the field of liquid-liquid extraction. Its unique properties, including chemical inertness, non - stick characteristics, thermal stability, and durability, make it superior to other materials in many laboratory applications. Whether in organic, analytical, or biochemistry, Teflon separatory funnels play a crucial role in the separation and purification of substances. By following proper operational procedures and maintenance practices, these funnels can provide reliable and accurate results for many years. As the field of chemistry continues to evolve, the Teflon separatory funnel will undoubtedly remain an essential piece of equipment in laboratories around the world.
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