- Home Page /
- Industrial Supplies /
- Lab & Scientific Products /
- Glassware & Labware /
- Lab Funnels /
- Addition Funnels /
- 250mL Pressure Equalizing Addition Funnel Dro...
250mL Pressure Equalizing Addition Funnel Dropping Funnel (24/29 joint, PTFE Stopcock)
LAK 2409772
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
QTY:
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Product Details
Who Should Buy?
-
Laboratory Chemists
Ideal for chemists conducting experiments requiring precise reagent addition and pressure equalization in chemical reactions.
-
Educational Institutions
Useful in university labs for teaching students about controlled addition of liquids in chemistry and experimental setups.
-
Research Facilities
Perfect for research centers needing reliable and consistent liquid handling for various chemical processes and reactions.
-
Casual Users
Not suitable for individuals without lab experience, as misuse can lead to accidents or inaccurate experiments.
-
Small Scale Projects
Not ideal for small home projects where precise chemical additions and pressure control are unnecessary.
-
Non-Chemical Uses
Not recommended for uses outside of chemical applications, such as general food handling or unrelated household tasks.
Product Description
250mL Pressure Equalizing Addition Funnel Dropping Funnel (24/29 joint, PTFE Stopcock)
Customer Questions & Answers
-
Question:
What is a pressure equalizing addition funnel and how does it work?
Answer: A pressure equalizing addition funnel is a specialized laboratory glassware designed for controlled addition of liquids to a reaction mixture under a specific pressure. It features a funnel chamber connected to a PTFE stopcock, allowing for very precise measurements while maintaining pressure equilibrium. This feature is particularly essential in reactions sensitive to pressure changes, ensuring that the reaction environment remains stable. Commonly used in organic synthesis and titrations, researchers appreciate the funnel's ability to minimize vapor loss and ensure the accuracy of experiments. -
Question:
What is the significance of a PTFE stopcock in this funnel?
Answer: The PTFE stopcock in the 250mL Pressure Equalizing Addition Funnel is crucial due to its chemical resistance and smooth operation. PTFE (Polytetrafluoroethylene) is known for its non-stick properties, which help to prevent clogging or sticking, making it ideal for handling corrosive or viscous liquids. This ensures a consistent flow during experiments. It also allows for precise control over the addition of liquids, making it invaluable in complex reactions where timing is critical. -
Question:
In which applications can I use the 250mL addition funnel?
Answer: The 250mL addition funnel is widely used in various laboratory applications, including organic synthesis, titrations, and reaction setups requiring precise liquid addition. It is particularly useful for reactions involving gases or where pressure equilibrium is necessary to avoid unwanted reactions or product loss. For instance, when conducting a reaction that requires the gradual addition of reagents without altering the pressure, this funnel provides an optimal solution. -
Question:
Can I use the addition funnel with solvents of varying viscosity?
Answer: Yes, the 250mL Pressure Equalizing Addition Funnel is designed to handle solvents of varying viscosities. Thanks to the PTFE stopcock, it provides smooth delivery regardless of whether you are working with thin solvents like acetone or thicker liquids like glycerol. This versatility is crucial in laboratories where different types of reactions and solvents are used, ensuring that you can conduct experiments effectively without changing equipment. -
Question:
Is this funnel suitable for high-temperature applications?
Answer: The 250mL addition funnel can be used in high-temperature applications; however, it is important to ensure that the materials surrounding the funnel are appropriate for the specific temperature limits of your experiment. Typically, the glass used in laboratory funnels can withstand high temperatures, but check compatibility with PTFE seals or stopcocks to avoid degradation. This feature is beneficial in reactions requiring heating, such as reflux experiments. -
Question:
How do I clean the 250mL addition funnel after use?
Answer: Cleaning the 250mL Pressure Equalizing Addition Funnel is straightforward. It is best to rinse it with appropriate solvents immediately after use to prevent residue from drying. For thorough cleaning, you can use a cleaning solution suitable for laboratory glassware. Avoid abrasive materials to maintain the integrity of the glass and PTFE parts. Proper cleaning ensures the longevity of the funnel and the accuracy of future experiments by avoiding cross-contamination. -
Question:
What safety precautions should I take when using this funnel?
Answer: When using the 250mL Pressure Equalizing Addition Funnel, it's vital to wear appropriate lab safety gear, including gloves, goggles, and a lab coat. Always ensure that the funnel is securely attached to the receiving vessel to prevent spills. Additionally, work in a well-ventilated area or use a fume hood when handling volatile or hazardous chemicals. These precautions help mitigate risks associated with chemical reactions and ensure a safe laboratory environment. -
Question:
Does the funnel come with any additional components or accessories?
Answer: Typically, the 250mL Pressure Equalizing Addition Funnel comes as a standalone piece without additional components or accessories. However, labs may require various adapters or connectors depending on their specific setups. It's advisable to check compatibility with other lab equipment. For specific reactions, you might need to purchase additional glassware or tubing separately to enhance the funnel's functionality, making it adaptable to numerous laboratory scenarios. -
Question:
What materials is the funnel made from?
Answer: The 250mL Pressure Equalizing Addition Funnel is primarily made from high-quality borosilicate glass known for its durability and thermal shock resistance. The PTFE stopcock adds to the funnel's chemical resistance, making it suitable for a wide range of solvents. Together, these materials ensure that the funnel can withstand the rigors of laboratory use, maintaining chemical integrity and providing reliable performance in various applications. -
Question:
Where can I buy a 250mL Pressure Equalizing Addition Funnel Dropping Funnel 2429 joint, PTFE Stopcock in Laos?
Answer: You can purchase the 250mL Pressure Equalizing Addition Funnel with a 2429 joint and PTFE stopcock at Ubuy in Laos. Ubuy specializes in providing a wide selection of laboratory equipment and glassware, ensuring that you can find reliable products suited to your research needs. The platform offers convenient sourcing options for laboratory supplies, making it a go-to choice for professionals and researchers.
YUCHENGTECH Addition Funnels Editorial Review
Customer Reviews & Ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
“The product received very good packaging & safe…Thank You”
“Accurate delivery timing given”
“Not madly expensive like I thought, and much quicker than promised.”
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
LAK 2409772
Order now and get it around Friday, August 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.