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stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)
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stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)
High quality professional equipment makes every experiment easy.
stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)
Item #: 46016679

stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)

88% of respondents would recommend this to a friend

Item #: 46016679

XCD 158

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What Stands Out

High-Quality Material
Crafted from premium borosilicate glass, this funnel offers exceptional thermal resistance and durability, ensuring reliable use in various laboratory conditions without compromising integrity.
Precision Engineering
Designed with a 24/40 joint and a precise PTFE stopcock, this funnel ensures accurate flow control and easy operation, addressing common issues of unwanted spills and inconsistent measurements in lab experiments.
Graduated Design
The graduated markings on this 500 ml funnel facilitate precise measurements and easy monitoring of addition volumes, enhancing user efficiency while minimizing the risk of measurement errors during critical procedures.

Product Details

Shop stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml) online at a best price in Grenada. B09MYGJSQ4
Brand Namestonylab
UPC843798167858
ManufacturerStonyLab Scientific
Global Trade Identification Number00843798167858
Model NumberGrad-EqualPressFunnel-24/40
Part NumberGrad-EqualPressFunnel-24/40
Capacity50 ml
Material TypeGlass
ColorTransparent
MaterialGlass
Brandstonylab
Item Weight2 lbs (910 grams)

Who Should Buy?

Suitable For
  • Laboratory Researchers

    Ideal for researchers conducting experiments requiring precise liquid addition and volume measurement in laboratory settings.

  • Chemistry Students

    Perfect for chemistry students needing reliable equipment for lab experiments involving liquid transfer and analysis tasks.

  • Professional Chemists

    Great for professional chemists who need durable lab equipment for accurate chemical reactions and high-quality results.

Not Suitable For
  • Casual Users

    Not suitable for casual users who may not need specialized laboratory equipment for infrequent or simple tasks.

Product Description

stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of a pressure equalizing graduated addition funnel?

    Answer: The pressure equalizing graduated addition funnel is designed to facilitate the controlled addition of liquids into a reaction setup while maintaining equal pressure inside the funnel and the reaction vessel. This function is crucial in preventing the introduction of air bubbles that could disrupt chemical reactions. For example, in a titration process, using this funnel allows for a smooth and consistent flow of your titrant, leading to more accurate results.
  • Question: What materials are used in the stonylab pressure equalizing funnel?

    Answer: The stonylab pressure equalizing funnel is constructed from high-quality borosilicate glass, known for its durability and resistance to thermal shock. It features a PTFE stopcock which provides excellent chemical resistance and can withstand a wide range of substances. This makes it highly suitable for various laboratory applications including organic and inorganic chemistry experiments where precise measurements and chemical compatibility are essential.
  • Question: What is the capacity of the stonylab addition funnel?

    Answer: The stonylab pressure equalizing addition funnel has a capacity of 500ml. This ample volume allows for significant quantities of liquid to be added in a controlled manner, which is particularly beneficial in experiments that require multiple additions of reagents. Researchers can efficiently dispense large amounts of solution without the need for frequent refills, optimizing their time and workflow during experiments.
  • Question: Is the stonylab funnel suitable for high-pressure applications?

    Answer: The stonylab pressure equalizing graduated addition funnel is designed for moderate pressure applications, typically encountered in standard laboratory settings. It is crucial to ensure that the funnel is not subjected to excessive pressures beyond its specifications, as this could lead to breakage. If high-pressure applications are required, additional equipment or specialized funnels should be utilized to ensure safety and efficacy.
  • Question: How does the PTFE stopcock function in this funnel?

    Answer: The PTFE stopcock in the stonylab addition funnel controls the flow of liquids with precision and ease. PTFE is chemically inert, which means it won’t react with the substances being added, allowing for accurate and reliable dispensing. Users can easily adjust the flow rate, making it possible to carefully manage the addition of reagents during sensitive chemical reactions where timing and concentration are crucial.
  • Question: What joint size is compatible with the stonylab addition funnel?

    Answer: The stonylab pressure equalizing addition funnel is designed with a 24/40 joint size. This standardized joint size is commonly used in laboratory glassware and ensures compatibility with other glass components, such as flasks and adapters. This compatibility allows for seamless integration into various experimental setups, making it an essential tool for lab work involving titrations or other precise addition processes.
  • Question: Can the stonylab funnel be used for organic solvents?

    Answer: Yes, the stonylab pressure equalizing graduated addition funnel is suitable for use with various organic solvents due to its borosilicate glass construction and PTFE stopcock, which provide excellent chemical resistance. This feature makes the funnel ideal for applications in organic chemistry labs where solvents are frequently used. It's important to ensure that the solvents being used do not exceed the funnel's chemical compatibility range for optimal performance.
  • Question: What are some common applications of the stonylab addition funnel?

    Answer: Common applications for the stonylab pressure equalizing graduated addition funnel include titrations, controlled addition of reagents, and processes requiring the mixing of liquids under atmospheric pressure. Researchers often utilize this funnel for experiments that need precise measurements, such as synthesizing chemical compounds or conducting analytical procedures where accurate reagent delivery is critical for achieving successful outcomes.
  • Question: How should I clean the stonylab addition funnel after use?

    Answer: Cleaning the stonylab pressure equalizing graduated addition funnel should be done with care to preserve its integrity. It is recommended to rinse it with appropriate solvents used during experiments, followed by a thorough wash with warm, soapy water. Ensure to carefully clean the PTFE stopcock as well, as residues can affect its operation. Proper cleaning ensures the funnel remains free from contamination for future use.
  • Question: Where can I buy the stonylab Pressure Equalizing Graduated Addition Funnel in Grenada?

    Answer: You can purchase the stonylab Pressure Equalizing Graduated Addition Funnel at Ubuy. Ubuy is an online retailer that specializes in providing a wide range of laboratory equipment, including high-quality glassware and accessories. Their platform offers a user-friendly shopping experience, allowing you to easily find the addition funnel along with necessary specifications and features.

stonylab Addition Funnels Grad-EqualPressFunnel-24/40 Editorial Review

stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml) is an excellent addition to any lab setup, made from high-quality borosilicate glass which ensures durability and clarity. Users appreciate the quality of this lab equipment, noting it arrived in great shape and free from defects, with no cracks or voids. The funnel's capacity of 50 ml and the PTFE stopcock enable precise addition of liquids, making it an essential tool for chemists and researchers alike. It suits various laboratory applications, enhancing efficiency in experiments and protocols.

Customer Reviews & Ratings

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Pros

  • Made from durable borosilicate glass
  • Transparent material for clear visibility
  • High quality with no cracks or voids
  • 50 ml capacity for versatile use
  • Includes a PTFE stopcock for precise control

Cons

  • Only available in one size option

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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XCD 158

Order now and get it around Friday, September 04

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Features & Benefits

  • High quality equipment designed for labs
  • Pressure equalizing addition funnel for closed system experiments
  • Made from durable borosilicate glass with 24/40 joint and PTFE stopcock
  • Available in 50ml, 100ml, and 500ml capacities with graduations
  • StonyLab provides premium customer service and ensures product quality
  • Designed in New York for scientific research and innovation

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