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Item #:
38820146
American Fristaden Lab 125 mL Separatory Funnel with PTFE Stopcock Valve | Lab Quality Borosilicate Glass | 24/29 Joint Size | Separation Funnel for
Item #:
38820146
INR 3857
Price Details
Price
INR 3857
M.R.P. INR 3857
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Precisely separate compounds using the glass separator funnel and the leak-proof PTFE stopcock.
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What Stands Out
High-Quality Glass
Crafted from lab-quality borosilicate glass, this funnel ensures exceptional durability and resistance to thermal shock, making it ideal for various laboratory applications.
PTFE Stopcock Valve
Equipped with a reliable PTFE stopcock valve, it allows for precise control of liquid flow, enhancing accuracy in chemical separations and facilitating easy operation.
24/29 Joint Size
Designed with a 24/29 joint size, this funnel seamlessly integrates with standard lab equipment, ensuring compatibility and stability during the separation process.
Product Details
| Brand Name | Fristaden Lab |
| Unit Count | 1 Count |
| Manufacturer | Joan Lab |
| Included Components | Lab Quality Borosilicate Glass |
| Part Number | SF002 |
| Capacity | 125 ml |
| Material Type | Glass |
| Color | Transparent Glass |
| Material | Glass |
| Brand | Fristaden Lab |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Chemical Laboratories
Ideal for labs that require efficient phase separation and high-quality glassware for chemical reactions.
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Educational Institutions
Great for universities and schools teaching chemistry, providing students with reliable lab equipment.
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Research Facilities
Perfect for research settings needing precision and durable lab equipment to handle various solvents.
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Casual Users
Not suitable for home experiments or non-professionals who lack experience with lab techniques.
Product Description
American Fristaden Lab 125 mL Separatory Funnel with PTFE Stopcock Valve | Lab Quality Borosilicate Glass | 24/29 Joint Size | Separation Funnel for Lab Use (Transparent Glass, 125ml)
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Customer Questions & Answers
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Question:
What materials are used to make the American Fristaden Lab 125 mL Separatory Funnel?
Answer: The American Fristaden Lab 125 mL Separatory Funnel is made from borosilicate glass, known for its excellent thermal resistance and durability. This material is specifically designed to withstand chemical reactions without leaching any unwanted substances. The PTFE stopcock valve offers enhanced chemical resistance, ensuring a reliable seal during experiments. This funnel is ideal for separating liquid mixtures in laboratories, providing both safety and accuracy in procedures. -
Question:
What is a separatory funnel used for?
Answer: A separatory funnel is primarily used for liquid-liquid extractions. It allows users to separate two immiscible liquids, such as oil and water. The funnel's design permits the slow, controlled release of one liquid while retaining the other, resulting in precise separations. This makes it especially valuable in chemistry labs for isolating compounds. For example, during an extraction process, researchers can isolate desired solvents from mixtures effectively, aiding in the purification of chemical compounds. -
Question:
What is a PTFE stopcock valve, and why is it important?
Answer: A PTFE stopcock valve is integral to the functionality of a separatory funnel. PTFE (polytetrafluoroethylene) provides superior chemical resistance, making it suitable for a variety of solvents without risk of degradation. The precise design of the stopcock allows for meticulous control over the flow of liquids, preventing spills and ensuring accurate measurements. This is especially useful in laboratory settings where precision is paramount, such as when conducting titrations or precise separations of chemicals. -
Question:
How do I properly use a separatory funnel?
Answer: To use a separatory funnel, first ensure that the stopcock is closed. Add your liquid mixture to the funnel, then allow it to settle for distinct separation. Once settled, carefully open the stopcock to release the denser liquid from the bottom. It’s crucial to swirl the funnel gently to ensure complete separation. This method is effective for isolating solvents, such as separating an organic layer from an aqueous layer during extraction procedures. -
Question:
What joint size is compatible with the 125 mL separatory funnel?
Answer: The American Fristaden Lab 125 mL Separatory Funnel features a 2429 joint size. This compatibility is essential for connecting with various laboratory glassware and equipment. A proper fit ensures that the funnel integrates seamlessly into existing laboratory setups, maintaining functionality during experimental work. This is particularly important when you are conducting continuous liquid separations, as it helps maintain a secure join, preventing leaks. -
Question:
Can I use this funnel for organic solvents?
Answer: Yes, the American Fristaden Lab 125 mL Separatory Funnel is compatible with a wide range of organic solvents. Made with borosilicate glass and equipped with a PTFE stopcock, it offers robustness against corrosive substances, making it suitable for organic chemistry applications. This is particularly beneficial for separation processes involving hydrocarbons or other organic solutions. Users in organic labs can rely on its durability for effective extraction and separation tasks. -
Question:
Is the borosilicate glass safe for high temperatures?
Answer: Absolutely, borosilicate glass is renowned for its superior thermal resistance. It can endure high temperatures without breaking or deforming, making it ideal for laboratory use where temperature fluctuations may occur. This quality enhances safety during experiments involving heating processes or reactions that generate heat. Researchers can use the funnel confidently while conducting experiments that require heating, such as distillations or extractions at elevated temperatures. -
Question:
What cleaning methods are recommended for the separatory funnel?
Answer: To clean the separatory funnel, it’s recommended to rinse it with warm soapy water immediately after use. For more stubborn residues, consider using laboratory glassware detergents or a sodium bicarbonate solution. After cleaning, rinse thoroughly with distilled water to ensure no residues remain. Proper maintenance not only extends the life of the funnel but ensures accurate results in subsequent experiments, as previous contaminants can affect outcomes. -
Question:
Where can I obtain the American Fristaden Lab 125 mL Separatory Funnel in India?
Answer: You can buy the American Fristaden Lab 125 mL Separatory Funnel with PTFE Stopcock Valve from Ubuy in India. Ubuy provides a convenient platform for purchasing high-quality laboratory equipment, ensuring you receive an authentic product tailored to your laboratory needs. Their extensive selection and reliable service make it a top choice for laboratory supplies in India.
Fristaden Lab Separatory Funnels Editorial Review
The American Fristaden Lab 500mL Separatory Funnel has received mixed reviews. While some customers were satisfied with the product, stating that it arrived on time, was well packaged, easy to clean and worked perfectly for their intended use, others expressed concerns about the quality of the product. One customer noticed leaking from the valve and stated that this could be dangerous for stronger acids or bases, while another customer expressed disappointment that the valve and cover cap were made of plastic instead of glass. Overall, the product received average to positive feedback with most customers happy with the product and the packaging.
Customer Reviews & Ratings
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Pros
- Durable and heavy glass
- Well packaged for shipping
- Easy to clean
- Works well for intended use
- Functioning stopcock valve
- Good for home brew and essential oil distillations
Cons
- Valve and cover cap made of plastic instead of glass
Platform Trust & Buyer Confidence
PC
Paritosh
Verified buyer
“Quality, fit, and variety are all good. Very good quality, perfect fit, with a good variety in 70s Bellbottom jeans. Keep them coming.”
20-Jul-26 · via Trustpilot
AV
Aggarwal
Verified buyer
“Everything was well maintained and smooth . We can trust UBUY .”
23 July 2026 · via Trustpilot
JM
Jeeju
Verified buyer
“Product is nice. Well packaged and delivered promptly”
23 July 2026 · via Trustpilot
NG
neeraj
Verified buyer
“Product was delivered before time. At each steps remider given time to time ,product is also good and fruitful”
3 July 2026 · via Trustpilot
SP
siva
Verified buyer
“I received the product properly packed and without any damage. If you can provide a video showing how to assemble the parts, it would be a great help. Thanks & Regards, Siva Prakash.”
16-Jul-26 · via Trustpilot
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Top selling Separatory Funnel in India
Last Updated on August 6, 2026
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INR 3857
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Features & Benefits
- Separator funnel for solvent/liquid-liquid extraction
- Can handle tough, corrosive materials and high/low temperatures
- Made of borosilicate beaker 3.3 glass
- Packed in sturdy foam packaging
- Useful tool for beer brewers to save money on yeast preservation
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