
( Brand: Kimble Kontes ), ( Manufacturer Part Number: 657750-2523 ), ( Model: 250ML ), ( Additional Search Terms: Used Laboratory Surplus Chemistry Glassware ), ( Product: Gas Washing Bottle ), ( Material: Borosilicate Glass ), ( Joint: 40/50 ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory, Laboratory )
The **Kimble Kontes 657750-2523 Gas Washing Bottle (250 mL, Fritted Disc 40/50)** is a precision-engineered laboratory glassware essential for efficient gas absorption and purification in a wide range of chemical and analytical applications. Designed with exceptional durability and chemical resistance, this bottle features a robust borosilicate glass construction, ensuring stability under high temperatures and aggressive solvents while maintaining clarity for accurate visual monitoring of reactions. The **250 mL capacity** provides a versatile working volume, ideal for small-scale experiments, gas chromatography sample preparations, or routine laboratory procedures where precise gas-liquid interactions are critical.
At the heart of its functionality lies the **40/50 fritted glass disc**, a finely porous sintered glass element that facilitates uniform gas dispersion and efficient bubble formation, promoting optimal contact between the gas and liquid phases. This design minimizes channeling and ensures consistent gas washing, which is particularly valuable in applications such as scrubbing air of volatile impurities, drying gases, or removing acidic or basic vapors before they enter sensitive instrumentation. The **standard taper (ST) 24/40 joint** allows for secure, leak-proof connections to other glassware components, such as adapters, condensers, or additional washing bottles, streamlining complex setups without compromising integrity.
Beyond its technical performance, the Kimble Kontes 657750-2523 is engineered with practicality in mind. The bottle s smooth, polished surfaces reduce the risk of contamination and simplify cleaning, while its **ground-glass joints** provide a reliable seal even after repeated use. Whether integrated into a gas washing train for sample pretreatment, a drying apparatus for inert gas purification, or a custom analytical setup, this bottle delivers dependable performance with minimal maintenance. Its compatibility with standard laboratory glassware and accessories further enhances its utility, making it a staple in research labs, quality control environments, and educational settings where precision and reliability are paramount. Built to withstand the demands of rigorous experimentation, the Kimble Kontes 657750-2523 gas washing bottle exemplifies the marriage of engineering excellence and laboratory functionality.
### Pros and Cons of buying a Kimble Kontes 657750-2523 Gas Washing Bottle (250 mL, Fritted Disc 40/50)
#### **Pros:**1. **High Quality and Durability** Kimble Kontes is a well-known brand in laboratory glassware, known for producing durable, borosilicate glass products that resist chemical corrosion and thermal shock. This bottle is designed for repeated use in gas washing applications, ensuring longevity.
2. **Precision Engineering** The fritted disc (40/50 porosity) is designed to provide efficient gas-liquid separation, reducing the risk of carryover and ensuring consistent performance. The 250 mL capacity strikes a balance between usability and space efficiency for many laboratory procedures.
3. **Compatibility with Standard Laboratory Setups** The bottle is designed to fit standard gas washing apparatuses, making it easy to integrate into existing lab workflows. The 40/50 fritted disc is a common porosity rating, ensuring compatibility with most gas scrubbing applications.
4. **Chemical Resistance** Borosilicate glass (typically Type I or II) resists most acids, bases, and organic solvents, making this bottle suitable for a wide range of chemical processes, including gas purification, solvent drying, and sample preparation.
5. **Easy to Clean and Sterilize** Glassware is generally easier to clean thoroughly compared to plastic alternatives, reducing the risk of contamination. It can be autoclaved or cleaned with harsh detergents if needed.
6. **Transparency for Visual Monitoring** The clear glass allows for easy observation of the liquid level and any potential issues (e.g., blockages, bubbles) during use.
7. **Reusable and Cost-Effective** While the initial cost may be higher than disposable alternatives, the durability of this bottle makes it cost-effective in the long run, especially in high-volume laboratories.
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#### **Cons:**1. **Higher Initial Cost** Compared to disposable plastic gas washing bottles or cheaper glass alternatives, this Kimble Kontes product is more expensive upfront. However, this is offset by its longevity.
2. **Fragility Compared to Plastic** Borosilicate glass is strong but can still break if dropped or subjected to extreme thermal shock (e.g., rapid heating or cooling). This requires careful handling, especially in busy lab environments.
3. **Maintenance Requirements** The fritted disc may clog over time, especially with particulate matter or viscous liquids, requiring periodic cleaning or replacement. This adds to the maintenance effort.
4. **Weight** Glass bottles are heavier than plastic ones, which can be cumbersome for frequent manual handling or transport.
5. **Limited Flexibility in Size** If the 250 mL capacity is too small or too large for specific applications, alternative sizes may be needed, increasing inventory costs.
6. **Potential for Scratches or Damage** While borosilicate glass is durable, scratches or chips can compromise the integrity of the bottle over time, particularly if it is used with abrasive materials.
7. **Not Ideal for High-Pressure Applications** This bottle is designed for standard gas washing and not for high-pressure or vacuum-sealed systems, where specialized glassware may be required.
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### **Conclusion:**The Kimble Kontes 657750-2523 gas washing bottle is an excellent investment for laboratories requiring reliable, high-quality glassware for gas scrubbing, solvent drying, or sample preparation. Its durability, chemical resistance, and precision engineering make it a superior choice for long-term use, particularly in research or industrial settings where consistency and performance are critical. However, the higher upfront cost, fragility, and maintenance needs may make it less ideal for small-scale or disposable-oriented applications.
For most professional laboratories, the benefits outweigh the drawbacks, making this a highly recommended choice. If budget or space constraints are a concern, it may be worth considering a slightly less expensive alternative, but only if the quality and durability meet the specific requirements of the application.
### **Recommendation:** **Buy the Kimble Kontes 657750-2523 gas washing bottle if:**- You need a durable, reusable, and chemically resistant bottle for routine gas washing or solvent drying.
- Your lab prioritizes precision and long-term cost savings over disposable alternatives.
- You are working with a wide range of chemicals that require borosilicate glass compatibility.
**Consider alternatives if:**- Your budget is extremely limited, and you can find a similarly rated disposable or lower-cost glass bottle that meets your needs.
- Your applications involve high-pressure or extreme thermal conditions, where specialized glassware is required.
- You frequently handle very small or very large volumes, and the 250 mL size is impractical.
Kontes Gas Washing Bottle 250ML with Fritted Disc and 40/50. height : 315mm. Standard Taper Joint: 40/50. Capacity: 250mL.
Porosity: Coarse.