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VWR 867530955 Schlenk Gas Bubbler Od 40

867530955 Vwr Schlenk Gas Bubbler 40 Ml 27 Mm Od 7 Inch Length

( Brand: Vwr ), ( Manufacturer Part Number: 867530955 ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory )

Review VWR Schlenk Gas Bubbler 40 Ml Od Inch Length

The **VWR 867530955 Schlenk Gas Bubbler (40/27 OD)** is a precision-engineered laboratory accessory designed to facilitate efficient and controlled gas bubbling in chemical synthesis, vacuum systems, and other high-precision applications. This robust glass bubbler features a **40/27 outer diameter (OD) joint**, adhering to standard laboratory glassware dimensions for seamless compatibility with Schlenk lines, vacuum manifolds, and other glassware components. Constructed from high-quality borosilicate glass, it is engineered to withstand repeated thermal cycling, chemical exposure, and high-vacuum conditions without compromising structural integrity or performance. The design incorporates a **fritted glass diffuser** at the base, ensuring uniform gas dispersion into the liquid medium, which minimizes turbulence and promotes consistent gas-liquid interaction critical for reactions requiring precise control over bubbling rates.

Ideal for applications such as **Schlenk reactions, solvent purifications, and inert atmosphere manipulations**, this bubbler excels in environments where contamination must be avoided and reproducibility is paramount. Its smooth, tapered design allows for easy attachment to standard ground-glass joints, reducing the risk of leaks while maintaining a secure seal. The clear borosilicate material also enables visual monitoring of the bubbling process, liquid level, and potential blockages, enhancing operational efficiency. Whether used in academic research, pharmaceutical development, or industrial synthesis, this bubbler serves as a reliable tool for maintaining controlled gas flow in sensitive laboratory procedures. Its durability and precision make it a staple in any well-equipped chemistry or materials science laboratory.

### **Pros and Cons of buying a VWR 867530955 Schlenk Gas Bubbler (40/27 OD)**

#### **Pros:**

1. **High-Quality Construction** The Schlenk gas bubbler from VWR is designed for laboratory use, ensuring durability and resistance to chemical corrosion. It is typically made from borosilicate glass, which is chemically inert and heat-resistant, making it suitable for a wide range of applications.

2. **Standardized Sizes and Compatibility** The 40/27 OD (outer diameter) joint is a common laboratory glass joint, meaning it is widely compatible with other glassware, adapters, and connectors in most chemistry labs. This reduces the need for custom fittings and simplifies setup.

3. **Precision Engineering** Schlenk glassware is designed for controlled gas flow and pressure regulation, which is critical in reactions requiring inert atmospheres (e.g., Schlenk line work, inert gas purges). The bubbler s design helps prevent backpressure and ensures smooth gas bubbling.

4. **Versatility** This bubbler can be used for inerting reaction vessels (e.g., with nitrogen or argon), sparging liquids with gas, or as part of a vacuum system. Its simplicity makes it adaptable to various laboratory procedures.

5. **Brand Reliability** VWR is a trusted supplier of laboratory equipment, and Schlenk glassware is a well-established standard in academic and industrial labs. The product is likely to be well-documented and supported by technical resources.

6. **Cost-Effective for Bulk Use** While individual units may not be the cheapest option, purchasing in bulk (if available) can reduce per-unit costs, making it a practical choice for labs with frequent use.

7. **Easy to Clean and Maintain** Glass bubblers can be cleaned with standard laboratory solvents and are resistant to most organic and inorganic contaminants, provided they are handled properly.

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#### **Cons:**

1. **Fragility** Glassware is inherently fragile and can break if dropped or subjected to thermal shock (e.g., rapid temperature changes). This requires careful handling and storage.

2. **Limited Durability Under Extreme Conditions** While borosilicate glass is durable, it is not indestructible. Prolonged exposure to highly corrosive chemicals (e.g., hydrofluoric acid) or extreme temperatures may degrade the glass over time.

3. **Potential for Leaks** If the joint or seal is not properly lubricated or if the glassware is damaged, leaks can occur, compromising the integrity of the system. This may require frequent inspections and maintenance.

4. **Replacement Parts May Be Required** Over time, rubber septa, stopcocks, or other components may wear out and need replacement. These parts may not always be readily available or may add to the long-term cost.

5. **Space and Organization Challenges** Glassware takes up physical space and requires proper storage to prevent breakage. Labs with limited bench space may find it cumbersome to store multiple units.

6. **Learning Curve for Setup** Proper assembly and use of Schlenk glassware (e.g., correct lubrication of joints, sealing techniques) may require training, especially for new lab technicians.

7. **Cost Compared to Alternatives** While durable, Schlenk glassware can be more expensive upfront than plastic or metal alternatives (e.g., some plastic gas dispersion tubes). For low-budget labs or one-time use, this may not be the most economical choice.

8. **Environmental and Safety Considerations** Broken glass poses a safety hazard and requires proper disposal. Additionally, some glassware may contain lead or other contaminants if not properly sourced.

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### **Conclusion:**

The **VWR 867530955 Schlenk gas bubbler (40/27 OD)** is a high-quality, versatile tool for laboratories requiring controlled gas flow, inert atmospheres, or sparging applications. Its standardized sizing, durability, and compatibility with existing glassware make it a reliable choice for routine use in chemistry, biochemistry, and materials science labs. However, its fragility, maintenance requirements, and potential for leaks or component wear must be carefully managed.

For labs with **frequent use of Schlenk techniques, inert gas handling, or reactions sensitive to oxygen/moisture**, this bubbler is highly recommended due to its precision and reliability. For **budget-conscious or low-volume labs**, or applications where extreme durability is not critical, alternatives like plastic gas dispersion tubes or metal fittings might be considered. Ultimately, the decision depends on the specific needs of the lab, budget constraints, and the importance of glassware compatibility.

### **Recommendation:** **Buy the VWR 867530955 Schlenk gas bubbler if:**

- Your lab regularly performs Schlenk line work, inert gas purges, or reactions requiring controlled gas bubbling.

- You prioritize compatibility with existing borosilicate glassware and standardized joints.

- You can afford the initial cost and are willing to invest in proper handling, storage, and occasional maintenance (e.g., joint lubrication, septa replacement).

- The durability and chemical resistance of glass outweigh the risks of fragility for your applications.

**Consider alternatives if:**

- Your lab operates on a tight budget and requires a lower-cost solution (e.g., plastic gas dispersion tubes).

- Your workflow involves highly corrosive or extreme conditions where glass may degrade quickly.

- You lack the space or training to handle glassware safely and efficiently.

For most academic and industrial chemistry labs, this bubbler remains a **strong, practical choice** due to its proven performance and widespread compatibility.

Details:

VWR Schlenk Gas Bubbler 40 ml 27mm OD 7 in.

specifications plasticwarelabsuppy:

  • brand: Vwr
  • mpn: 867530955
  • unit type: Unit
  • country of origin: United States
  • intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory

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  • started: February 5, 2026
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unit type: unit, country of origin: united states, intended use/discipline: biological laboratory, dental laboratory, medical laboratory, microbiological laboratory, physical laboratory,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13216442317871663,
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