
( Brand: Corning ), ( Manufacturer Part Number: 31760-125BO ), ( Model: 31760-125EC ), ( Country Of Origin: United States ), ( Intended Use/discipline: Chemistry Laboratory )
The **Corning 31760-125BO Pyrex Gas Washing Bottle (125 mL)** is a precision-engineered laboratory glassware essential for gas purification, scrubbing, and filtration processes in analytical chemistry, environmental testing, and industrial applications. Crafted from **borosilicate glass (Type 3.3)**, this bottle exemplifies durability and chemical resistance, ensuring long-term reliability even when exposed to corrosive vapors, solvents, or acidic gases. Its **125 mL capacity** strikes a practical balance between efficiency and workspace, making it ideal for medium-scale experiments where precise gas-liquid interactions are critical. The **standard taper (24/40) joint** allows for seamless integration with other Corning glassware, such as condensers, funnels, or additional scrubbing bottles, facilitating versatile and modular experimental setups. The **boiling chip pocket** on the side of the bottle accommodates a glass boiling chip, promoting controlled bubbling and preventing violent boiling during gas absorption, which is particularly useful in applications requiring consistent flow rates.
The **clear, thick-walled Pyrex glass** provides excellent thermal shock resistance, allowing the bottle to withstand temperature fluctuations without compromising structural integrity a key advantage in procedures involving heating or cooling. The **graduated markings** on the side enable accurate measurement of liquid volumes, ensuring precise control over the scrubbing solution s concentration, which is vital for reproducible results in gas chromatography, mass spectrometry sample preparation, or air quality monitoring. The **smooth, polished finish** minimizes dead spaces and reduces the risk of contamination, while the **ergonomic design** with a slightly tapered base enhances stability during use. Whether employed in **acid gas scrubbing, solvent vapor trapping, or humidity control experiments**, this bottle delivers both functionality and precision, embodying Corning s legacy of high-performance laboratory glassware. Its compatibility with standard laboratory glassware systems and adherence to rigorous manufacturing standards make it a trusted choice for researchers, technicians, and educators seeking reliability in their gas-handling applications.
**Pros and Cons of buying a Corning 31760-125BO Pyrex Gas Washing Bottle (125 mL)**
### **Pros:**1. **Durability and Quality:** Made from borosilicate glass (Pyrex), this bottle is highly resistant to thermal shock, chemical corrosion, and breakage, making it suitable for laboratory use.
2. **Precision and Standardization:** The 125 mL volume is a standard size in many laboratory procedures, ensuring compatibility with common experimental setups.
3. **Chemical Resistance:** Pyrex glass is non-reactive, meaning it won t leach contaminants into gases or liquids, which is crucial for accurate experimental results.
4. **Versatility:** Can be used for gas washing (removing impurities from gas streams), as a reaction vessel, or in distillation setups.
5. **Long Lifespan:** High-quality glassware like this is built to last for years with proper care, reducing the need for frequent replacements.
6. **Compatibility with Lab Equipment:** Fits standard laboratory glassware adapters and connectors, making it easy to integrate into existing setups.
7. **Safety:** Unlike plastic alternatives, Pyrex does not degrade or leach harmful substances over time, ensuring safer handling of chemicals.
### **Cons:**1. **Fragility Compared to Plastic:** Despite its durability, glass can still shatter if dropped or subjected to extreme force, posing a risk in careless handling.
2. **Weight:** Glassware is heavier than plastic alternatives, which may be inconvenient for frequent handling or transport.
3. **Cost:** Higher upfront cost compared to disposable or plastic alternatives, though it is cost-effective in the long run due to its longevity.
4. **Cleaning and Maintenance:** Requires careful cleaning to avoid scratches or residue buildup, which can affect performance over time.
5. **Limited Flexibility:** Unlike flexible plastic tubing or containers, glass cannot be easily bent or reshaped for specialized applications.
6. **Potential for Contamination:** If not cleaned thoroughly, glassware can harbor residues that affect experimental outcomes, though this is true of any reusable container.
7. **Replacement Parts:** If the bottle develops cracks or leaks, finding exact replacements (e.g., stoppers, adapters) may be challenging.
### **Conclusion:**The Corning 31760-125BO Pyrex gas washing bottle is an excellent investment for laboratory settings where precision, durability, and chemical resistance are critical. Its high-quality borosilicate glass ensures reliability and longevity, making it ideal for routine use in gas washing, distillation, or other glassware-dependent procedures. While it requires careful handling and maintenance, its advantages far outweigh the minor drawbacks for professional or educational lab environments.
### **Recommendation:**If you are working in a laboratory setting whether academic, industrial, or educational this Pyrex gas washing bottle is highly recommended. Its standard size, chemical inertness, and durability make it a practical choice for long-term use. However, if budget is a constraint or if the application involves extremely delicate or high-pressure conditions, consider pairing it with protective measures (e.g., rubber sleeves for handling) or exploring reinforced glass alternatives. For non-laboratory or casual use, disposable plastic options might suffice, but they lack the precision and safety of Pyrex.
Top is a Standard Taper 40/50 inner/male joint, compatible with glass stoppers equipped bubbles that end in gritted cylinders of different porosity's complete assemblies have catalogue numbers 31760-125EC and 31760-125C. Item: 31760-125BO. Manufacturer appears not to sell this replacement item, but if they did, the likely catalogue number would be 31760-125BO based on a 500 mL item. Bottom is a large hexagonal base for stability.
Good glassware is ageless. Labels are in an older style. The two glass parts are connected by springs not included that attach to horns on the shoulders of this item. This is a 125 mL replacement bottle for PYREX gas washing bottles.