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Dropping Funnel
70 INR/Piece
Product Details:
- Shape Cylindrical with conical bottom
- Accuracy High, precise dropwise flow
- Features Graduated scale, interchangeable ground glass joint, screwcap or glass stopcock, drip tip
- Speed Range Manual operation
- Temperature Resistance Up to 250 C
- Control Type Stopcock with PTFE or Glass key
- Glass Type Borosilicate
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Dropping Funnel Price And Quantity
- 70 INR/Piece
- 1 , , Piece
- Individual box or as per customer requirement
- Transparent
- Yes
- Suitable for titration, separation, or gradual reagent addition
- Yes, finely drawn for precise addition
- Glass or PTFE
- Yes, for accurate measurement
- Standard taper, usually 24/29 or 19/26
- High, against acids and alkalis
Dropping Funnel Product Specifications
- Graduated scale, interchangeable ground glass joint, screwcap or glass stopcock, drip tip
- Varies by capacity; standard cylindrical form
- High, precise dropwise flow
- Laboratory Glassware
- Dropping Funnel
- Borosilicate Glass
- For laboratory
- Controlled addition of liquids in laboratory procedures
- Cylindrical with conical bottom
- Borosilicate
- 2-20 Grams (g)
- Stopcock with PTFE or Glass key
- Up to 250 C
- Dropping Funnel
- Manual operation
- Glass
- 50 ml, 100 ml, 250 ml, 500 ml and other sizes
- Individual box or as per customer requirement
- Transparent
- Yes
- Suitable for titration, separation, or gradual reagent addition
- Yes, finely drawn for precise addition
- Glass or PTFE
- Yes, for accurate measurement
- Standard taper, usually 24/29 or 19/26
- High, against acids and alkalis
Dropping Funnel Trade Information
- Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque, Cash Advance (CA)
- 7 , , Piece Per Week
- 1 Week
- Western Europe, Central America, Eastern Europe, Middle East, South America, Asia, North America, Australia, Africa
- All India
Product Description
We are manufecture , "SSGW", Brands glassware. A Dropping funnel, also known as Dropping Funnel or colloquially Dropping funnel, is a piece of aboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture between two immiscible solvent phases of different densities. Typically, one of the phases will be aqueous, and the other a non-polar lipophilic organic solvent such as ether, MTBE, dichloromethane, chloroform, or ethyl acetate. Most organic solvents float on top of an aqueous phase, though important exceptions are most halogenated solvents.A Dropping funnel has the shape of a cone surmounted by a hemisphere. It has a stopper at the top and stopcock (tap), at the bottom. Dropping funnels used in laboratories are typically made from borosilicate glass and their stopcocks are made from glass or PTFE. Typical sizes are between 50 mL and 3 L. In industrial chemistry they can be much bigger and for much larger volumes centrifuges are used.
To use a Dropping funnel, the two phases and the mixture to be separated in solution are added through the top with the stopcock at the bottom closed. The funnel is then closed and shaken gently by inverting the funnel multiple times; if the two solutions are mixed together too vigorously emulsions will form. The funnel is then inverted and the tap carefully opened to release excess vapor pressure. The Dropping funnel is set aside to allow for the complete separation of the phases. The top and the bottom tap are then opened and the two phases are released by gravitation.
Precision and Control in Liquid Handling
The dropping funnel provides scientists with exact control over the addition of reagents. Its finely drawn drip tip and calibrated graduations allow for the careful, dropwise delivery of liquids, minimizing error in sensitive laboratory processes. This level of precision is essential for successful reactions and reproducible results across various applications.
Superior Chemical and Thermal Resistance
Manufactured from borosilicate glass, the funnel resists thermal shock and is highly resistant to acids, alkalis, and most laboratory chemicals. It can be safely autoclaved at temperatures up to 250C, ensuring both safety and ease of maintenance. Suitable for demanding laboratory environments, the funnel maintains integrity even with aggressive substances.
Versatile Applications and Customization
With multiple capacities and standard ground glass joints, the dropping funnel adapts to diverse laboratory setups. It is widely used in synthesis, titrations, and other controlled addition procedures. Packaging options include individual boxes or bulk as per requirements, making it a flexible choice for research labs, teaching institutions, and industrial settings.
FAQ's of Dropping Funnel:
Q: How is the dropping funnel used in laboratory procedures?
A: The dropping funnel is filled with a reagent and connected via the interchangeable ground glass joint to other laboratory apparatus. By opening the stopcock, liquids can be added in a precise and controlled manner, enabling accurate dropwise addition that is crucial for many chemical reactions.Q: What benefits does the borosilicate glass construction offer?
A: Borosilicate glass imparts excellent chemical resistance against acids and alkalis, as well as high thermal stability up to 250C. This ensures the funnel can withstand autoclaving, harsh chemicals, and rapid temperature changes without compromising clarity or structural integrity.Q: When should I choose a glass versus a PTFE stopcock?
A: Choose a PTFE stopcock if you require enhanced chemical resistance and smoother operation, especially for corrosive reagents. Glass stopcocks are ideal for general laboratory use where compatibility is not a primary concern.Q: Where can the dropping funnel be used?
A: This dropping funnel is suited for use in research laboratories, educational institutions, and industrial settings requiring precise liquid addition. Its adaptability makes it useful in both organic synthesis and analytical procedures.Q: What is the process for cleaning and sterilizing the dropping funnel?
A: After use, rinse the funnel thoroughly with appropriate solvents, followed by distilled water. It can then be autoclaved for sterilization, as the borosilicate glass withstands temperatures up to 250C, ensuring safe and hygienic reuse.Q: How do the graduation markings enhance accuracy?
A: The clear, precise graduation markings on the funnel enable accurate measurement and control of liquid volumes, essential for reproducibility and exact reagent addition in experimental protocols.Q: What packing options are available for this funnel?
A: Each dropping funnel is supplied in an individual box for safety during transport and storage. Customized bulk packaging solutions are also available to meet specific customer or institutional requirements.Tell us about your requirement
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