Dropping Funnels, Cylindrical Graduated with Screw Type PTFE Needle Valve Stopcock and Interchangeable Stopper, Plain Stem – Precision and Control in Liquid Dispensing

Description

Cylindrical Graduated Dropping Funnels with a screw-type PTFE needle valve stopcock and interchangeable stopper offer superior precision and reliability in liquid dispensing. Designed to provide controlled and gradual release of liquids, these funnels are ideal for titration, chemical reactions, and any laboratory application that requires accurate and steady addition of reagents or solvents. The graduated scale allows for accurate measurement of liquid volumes, while the screw-type PTFE needle valve stopcock enables users to regulate the flow with ease and precision. The interchangeable stopper ensures a leak-proof seal, enhancing safety during use.

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Key Features:

1. Graduated Cylindrical Shape for Accurate Measurement:

Graduations on the funnel provide easy-to-read volume markings, allowing for precise liquid measurement. Ideal for accurate dispensing during titrations and other quantitative analyses.

2. Screw-Type PTFE Needle Valve Stopcock:

Fine Liquid Control: The screw-type PTFE needle valve stopcock offers highly precise control over the flow of liquids, allowing for step-by-step dispensing in small, controlled amounts.

Chemical Resistance: The PTFE material provides excellent resistance to chemicals, ensuring long-lasting durability and preventing leaks or contamination of reagents.

3. Interchangeable Stopper:

Secure Seal: The interchangeable stopper provides a secure seal, preventing spills or evaporation of chemicals during use or when the funnel is not in use.

Convenient and Versatile: Easily removable and replaceable, the stopper enhances the funnel’s versatility in various laboratory applications.

4. Plain Stem for Smooth Liquid Flow:

The plain stem design ensures an uninterrupted flow of liquids, preventing clogging or blockages, which is crucial for consistent dispensing.

5. Borosilicate Glass Construction:

Thermal and Chemical Resistance: Made from high-quality borosilicate glass, the funnel is resistant to heat and chemical corrosion, providing durability and reliability in demanding laboratory environments.

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Product Highlights:

Graduated Cylindrical Shape:

Graduation markings provide clear and precise volume measurement for liquids, ensuring accurate dispensing for scientific experiments.

Screw-Type PTFE Needle Valve Stopcock for Precision Flow Control:

The screw-type PTFE needle valve stopcock offers precise control over the liquid flow, making it ideal for delicate or gradual dispensing.

Interchangeable Stopper for Leak-Proof Sealing:

The interchangeable stopper ensures a secure, airtight seal, preventing leaks and keeping liquids stable and secure.

Borosilicate Glass for Durability:

Borosilicate glass ensures resistance to chemical reactions, thermal shock, and long-term durability, making the funnel suitable for a wide range of laboratory applications.

Smooth and Efficient Dispensing with Plain Stem:

The plain stem ensures uninterrupted liquid flow, enhancing the consistency and accuracy of dispensing operations.

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Applications:

1. Titration and Analytical Chemistry:

The precise control offered by the screw-type stopcock makes this funnel ideal for titration, where accurate volume measurements are crucial for determining the concentration of unknown substances.

2. Chemical Reactions and Synthesis:

Used in various chemical reactions or synthesis processes, the funnel allows for controlled addition of reagents, preventing over-concentration or reactions from happening too quickly.

3. Controlled Solvent Addition:

Essential for solvent addition in laboratory processes, ensuring a gradual and accurate amount of liquid is added without overflow or waste.

4. Chemical Storage and Handling:

Used to safely store and dispense chemicals or solvents, providing airtight sealing with the interchangeable stopper and reducing the risk of contamination.

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Why Choose Cylindrical Graduated Dropping Funnels with Screw-Type PTFE Needle Valve Stopcock and Interchangeable Stopper?

Precise Liquid Flow Control: The screw-type PTFE needle valve ensures accurate, controlled dispensing, essential for applications requiring precision, such as titration or reagent addition.

Secure, Leak-Proof Design: The interchangeable stopper guarantees that liquids are safely contained, preventing leaks or spills.

Durable Borosilicate Glass: Made from high-quality borosilicate glass, the funnel is resistant to heat and chemicals, ensuring long-term durability even in challenging environments.

Smooth and Uninterrupted Dispensing: The plain stem allows for efficient and consistent liquid dispensing, reducing the risk of blockages or spills.