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Help CenterPolytetrafluoroethylene Buchner Funnel Suction Filtration Device for Solid-liquid Separation in the Laboratory, High-purity Ptfe Suction Filtration Equipment, Anti-corrosion
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Polytetrafluoroethylene (PTFE) Buchner Funnel Suction Filtration Device Performance Features
1. Strong corrosion resistance: It can withstand strong acids, strong alkalis, aqua regia, hydrofluoric acid, organic solvents, etc. It is an excellent choice for filtering corrosive liquids.
2. No dissolution and no pollution: Different from traditional ceramic or glass funnels, PTFE will not dissolve metal ions or impurities, ensuring the purity and no interference of samples during the filtering process.
3. Excellent non - stickiness and hydrophobicity: The surface is smooth, non - sticky, and easy to clean. After filtration, the sample recovery rate is high. It is hydrophobic and non - wettable, which is very suitable for filtering aqueous solutions and various organic solvents.
4. Resistance to high and low temperatures: It can work in the temperature range from -200℃ to +250℃, suitable for special experimental scenarios that require high - temperature or low - temperature filtration.
Polytetrafluoroethylene (PTFE) Buchner Funnel Suction Filtration Device Main Uses
It is mainly used in laboratory experiments of solid - liquid separation that require "avoiding metal contamination" and "chemical corrosion resistance" .
1. Filtration and collection of high - purity samples: Such as filtering high - purity chemical reagents and electronic - grade solvents.
2. Filtration of highly corrosive solutions: Such as filtering samples after treatment with hydrofluoric acid (HF).
3. Pretreatment for trace analysis: Filter the sample solution and collect the filtrate for analysis by precision instruments such as ICP - MS, AAS, and IC to prevent contamination introduced by the vessel.
4. Treatment of difficult - to - filter samples: Utilize its non - stickiness to easily handle viscous samples that are prone to clogging the filter membrane.
PTFE Buchner Funnel Suction Filtration Device Application in Experimental Industries
1. Chemical analysis and testing laboratories
Environmental monitoring: Filter samples after digestion of strong acids and alkalis such as wastewater and soil leachate for analysis of heavy metal content.
Food and drug testing: Filter food extracts and drug solutions for analysis of trace pollutants (such as pesticide residues and heavy metals).
Third - party testing institutions: As a standard pretreatment equipment to ensure the accuracy and reliability of data.
2. Electronics and semiconductor industry
Wet process: Filter high - purity etching solutions, developing solutions, and cleaning solutions (especially mixed acids containing hydrofluoric acid).
Wafer manufacturing: Ensure no contamination by metal ions in the preparation of ultrapure water and filtration of process chemicals.
3. Chemical and new material synthesis
Synthesis experiments: Filter highly corrosive reaction products, such as compounds synthesized in a strong acid environment and strong oxidants.
Catalyst recovery: Easily separate and recover precious metal catalysts (such as palladium on carbon) from the reaction solution without adsorbing the product.
4. New energy and battery research
Battery material preparation: Filter the slurry of electrode materials (such as cathode materials and solid electrolytes).
Electrolyte analysis: Filter the electrolyte for purity analysis and impurity detection.
5. Universities and research institutes
Departments of chemistry, materials, environment, geology and mining, etc.: Used for sample pre-treatment in cutting-edge scientific research.
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