Product Description
Buchner Funnel:- with sintered disc plain stem.
Catalogue No. Capacity ml. Porosity Grade Disc Dia. mm.
801/01 35 G 1 30
801/02 35 G 2 30
801/03 35 G 3 30
801/04 35 G 4 30
801/05 80 G 1 40
801/06 80 G 2 40
801/07 80 G 3 40
801/08 80 G 4 40
801/09 100 G 1 50
801/10 100 G 2 50
801/11 100 G 3 50
801/12 100 G 4 50
801/13 200 G 1 65
801/14 200 G 2 65
801/15 200 G 3 65
801/16 200 G 4 65
801/17 500 G 1 90
801/18 500 G 2 90
801/19 500 G 3 90
801/20 500 G 4 90
801/21 1000 G 1 120
801/22 1000 G 2 120
801/23 1000 G 3 120
801/24 1000 G 4 120
Buchner Funnel:- with sintered disc & cone at stem.
Catalogue No. Capacity ml. Porosity Grade Disc Dia. mm. Cone Size
802/01 35 G 1 30 B 14 or B 19
802/02 35 G 2 30 B 14 or B 19
802/03 35 G 3 30 B 14 or B 19
802/04 35 G 4 30 B 14 or B 19
802/05 80 G 1 40 B 14 or B 19
802/06 80 G 2 40 B 14 or B 19
802/07 80 G 3 40 B 14 or B 19
802/08 80 G 4 40 B 14 or B 19
802/09 125 G 1 50 B 19 or B 24
802/10 125 G 2 50 B 19 or B 24
802/11 125 G 3 50 B 19 or B 24
802/12 125 G 4 50 B 19 or B 24
802/13 200 G 1 65 B 19 or B 24
802/14 200 G 2 65 B 19 or B 24
802/15 200 G 3 65 B 19 or B 24
802/16 200 G 4 65 B 19 or B 24
Reliable Laboratory FiltrationThe Buchner Funnel is an essential tool for laboratory professionals, delivering dependable filtration for a range of chemical and analytical procedures. Its transparent glass body allows for easy observation of the filtration process, while the fitted bottom outlet offers seamless liquid collection. Laboratories value its adaptability due to the compatibility of joint sizes and the option to use various stoppers or vacuum setups as required.
Robust and Reusable DesignCrafted from high-quality glass, the Buchner Funnel stands out for its durability and ability to withstand chemical exposure. Its surface finish ensures quick, thorough cleaning and resists the residue build-up common with repeated use. Crucially, the funnel can be effectively sterilized using standard laboratory techniques, maintaining hygiene and integrity for multiple filtration cycles.
Applications Across Chemical LaboratoriesFrom organic synthesis to analytical methodology, the Buchner Funnel finds applications across numerous laboratory settings. Its fitted outlets and compatibility with standard joint sizes support integration into diverse setups for solid-liquid separation and purification. A smooth and glossy surface finish further facilitates precise and contamination-free chemical handling, ensuring reliable results in various scientific investigations.
FAQs of Buchner Funnel:
Q: How is the Buchner Funnel typically used in laboratory filtration?
A: The Buchner Funnel is commonly set atop a filtering flask, with a rubber seal or stopper to ensure an airtight fit. Liquid-solid mixtures are poured into the funnel, and vacuum is applied to draw the liquid through the filter paper, leaving solids behind. This setup is ideal for efficient solid-liquid separation.
Q: What are the benefits of using a glass Buchner Funnel over plastic alternatives?
A: Glass Buchner Funnels provide excellent chemical resistance, transparency for process monitoring, and easy sterilization by standard methods. Their robust construction is reusable, reducing waste and ensuring durability even with frequent laboratory use.
Q: Where should the Buchner Funnel be connected during filtration processes?
A: The funnels bottom outlet is designed for connection to a flask, either using a fitted stem or for direct collection. Standard ground joints enable easy integration with most lab setups, ensuring a secure and leak-proof filtration environment.
Q: How do you sterilize a Buchner Funnel after use?
A: The Buchner Funnel can be sterilized using standard laboratory techniques, such as autoclaving or chemical sterilization, due to its quality glass construction. Ensure all components are clean and dry before reuse to maintain sample integrity.
Q: What process is involved in setting up a Buchner Funnel for vacuum filtration?
A: After placing filter paper in the funnel and moistening it, the funnel is set atop a compatible filtering flask, connected via a rubber seal or ground joint. Once assembled, a vacuum source draws liquid through the filter, trapping solids on the paper and collecting the filtrate below.
Q: Which laboratory tasks are best suited for the Buchner Funnel?
A: The Buchner Funnel excels in chemical laboratories for tasks such as solid-liquid separation, purifications, recrystallizations, and sample clarifications, particularly where vacuum-assisted filtration is required for improved speed and efficiency.