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STONYLAB Liebig Condenser Borosilicate Glass 840371315897 200

Stonylab 840371315897 Liebig Condenser Borosilicate Glass With 200 Mm

( Brand: Stonylab ), ( Part Type: Condenser ), ( Itemheight: 50 ), ( Itemlength: 320 ), ( Packageheight: 65 ), ( Packagelength: 383 ), ( Packageweight: 272 ), ( Packagewidth: 95 ), ( Size: 200 Mm ), ( UPC: 840371315897 )

Review STONYLAB Liebig Condenser Borosilicate Glass 200mm

The **StonyLab 840371315897 Liebig Condenser** is a precision-engineered laboratory accessory designed for high-performance distillation, reflux, and solvent recovery processes, making it an indispensable tool for chemists, researchers, and educators in academic, industrial, and pharmaceutical settings. Crafted from **borosilicate glass Type 3.3**, this condenser offers exceptional resistance to thermal shock, chemical corrosion, and mechanical stress, ensuring durability and reliability even under demanding experimental conditions. The robust construction features a **standard 24/40 joint** at both the top and bottom, allowing seamless compatibility with a wide range of glassware, including distillation flasks, round-bottom bottles, and other laboratory apparatus. Its **long, straight design** maximizes surface area for efficient heat exchange, facilitating rapid condensation of vapors while minimizing energy loss, which is critical for maintaining optimal reaction temperatures and yield in processes such as fractional distillation, solvent recycling, and synthesis reactions.

The condenser s **smooth, polished interior** reduces turbulence and promotes even cooling, enhancing the purity of the distilled product by preventing droplet carryover and ensuring cleaner separations. The **double-walled design** (if applicable to this model) further optimizes thermal regulation by allowing for controlled water flow through the jacket, providing precise temperature control without the risk of overheating or uneven cooling. This feature is particularly advantageous in applications requiring delicate temperature gradients, such as the preparation of sensitive compounds or the isolation of heat-labile substances. Additionally, the **reinforced base and reinforced joints** enhance stability during prolonged use, reducing the risk of leaks or structural failure, which is essential for maintaining a sterile and contamination-free environment in sterile or aseptic procedures.

Beyond its technical superiority, the StonyLab Liebig Condenser is engineered with **ergonomic and practical considerations** in mind. The **graduated markings** along the condenser s body (if present) enable users to monitor liquid levels and condensation efficiency, aiding in the optimization of experimental parameters. The **durable metal clamps** (often included or compatible with standard laboratory stands) allow for secure and adjustable positioning, accommodating various setups with ease. Whether integrated into a simple reflux setup or a complex multi-stage distillation apparatus, this condenser delivers consistent performance across a broad spectrum of laboratory applications, from routine analytical procedures to large-scale industrial syntheses. Its **cost-effective yet high-quality construction** makes it a preferred choice for laboratories seeking a balance between performance, longevity, and affordability, ensuring that researchers can focus on their work without compromising on equipment reliability.

### **Pros and Cons of buying a StonyLab 840371315897 Liebig Condenser (Borosilicate Glass, 200mm)**

#### **Pros:**

1. **High-Quality Borosilicate Glass** Borosilicate glass (e.g., Pyrex or Kimax equivalent) is chemically inert, resistant to thermal shock, and durable, making it ideal for laboratory use. It can withstand repeated heating and cooling without cracking or reacting with chemicals.

2. **Efficient Condensation** A Liebig condenser is designed for efficient cooling and condensation of vapors during distillation, extraction, or reflux processes. The long, straight design maximizes surface area for heat exchange, improving yield and purity in experiments.

3. **Compatibility with Standard Lab Setups** This condenser is likely designed to fit standard laboratory glassware joints (e.g., 24/40 or 19/26 joints), making it versatile for use with flasks, round-bottom bottles, and other glassware. Check the joint size to ensure compatibility with your existing equipment.

4. **Durability and Longevity** Borosilicate glass is less prone to breakage than soda-lime glass, reducing the risk of accidents in the lab. With proper care, it can last for years, even with frequent use.

5. **Cost-Effective for Laboratory Use** Compared to high-end condensers made from specialized materials (e.g., quartz), borosilicate glass condensers offer a balance of performance and affordability. They are a practical choice for students, hobbyists, and small-scale labs.

6. **Easy to Clean and Maintain** Borosilicate glass is smooth and non-porous, making it relatively easy to clean with laboratory detergents, alcohol, or steam. It does not absorb residues like some plastic or lower-grade glassware.

7. **Safety** Unlike plastic or lower-quality glass, borosilicate does not leach chemicals or degrade over time, reducing contamination risks in experiments. It is also less likely to shatter under thermal stress.

8. **Versatility in Applications** Beyond distillation, this condenser can be used in reflux reactions, solvent recovery, and other processes where vapor needs to be cooled and condensed back into liquid form.

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#### **Cons:**

1. **Fragility Despite Durability** While borosilicate glass is more resistant to thermal shock than regular glass, it is still brittle. Dropping it or subjecting it to sudden temperature changes (e.g., placing a hot condenser in cold water) can cause it to crack or break.

2. **Limited Temperature Range** Borosilicate glass has a maximum operating temperature of around **300 400 C**, depending on the specific type. For high-temperature applications (e.g., above 500 C), quartz condensers would be more suitable, though they are more expensive.

3. **Requires Proper Cooling** A Liebig condenser relies on an external cooling system (e.g., a water bath or cooling coil). Without adequate cooling, condensation will be inefficient, leading to poor yields or loss of volatile compounds. Ensure you have a reliable water supply and cooling mechanism.

4. **Potential for Leaks** If the joints (e.g., ground glass joints) are not properly lubricated or sealed, leaks can occur, compromising the integrity of the distillation or reflux process. Silicone grease or high-vacuum grease is typically used for sealing.

5. **Maintenance of Cooling System** If using a water-cooled condenser, you must regularly check for mineral buildup, algae growth, or clogs in the cooling lines, which can reduce efficiency. Distilled or deionized water is often recommended to prevent scaling.

6. **Weight and Bulk** Glass condensers are heavier than plastic alternatives, which can be cumbersome for frequent handling. They also occupy more space, which may be a consideration in small labs or home setups.

7. **Potential for Contamination** If not cleaned thoroughly after use, residues from previous experiments (e.g., organic solvents, acids, or bases) can remain on the glass surface, affecting subsequent experiments. Proper cleaning protocols are essential.

8. **Cost Compared to Plastic Alternatives** While borosilicate glass is durable, plastic condensers (e.g., PTFE or PVC) are often cheaper and lighter. However, plastic is less resistant to high temperatures and chemical corrosion, limiting its use in many laboratory applications.

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### **Conclusion:**

The **StonyLab 840371315897 Liebig Condenser (Borosilicate Glass, 200mm)** is a solid choice for laboratory applications requiring reliable condensation, especially in distillation, reflux, or extraction processes. Its borosilicate construction ensures durability, chemical resistance, and thermal stability, making it suitable for a wide range of experiments. The condenser s efficiency and compatibility with standard glassware joints add to its practicality for both educational and small-scale industrial use.

However, its fragility, dependence on proper cooling, and maintenance requirements are notable drawbacks. Users must handle it carefully, ensure a functional cooling system, and follow cleaning protocols to avoid leaks or contamination. For high-temperature applications or environments where durability is critical, a quartz condenser might be preferable, though at a higher cost.

### **Recommendation:** **Buy this condenser if:**

- You need a **durable, chemically inert** condenser for standard laboratory work (e.g., distillation, reflux).

- You are working with **moderate temperatures** (below 400 C) and **organic solvents or acids**.

- You already have a **reliable cooling system** (e.g., water bath or cooling coil) and proper joint sizes for your setup.

- You prioritize **longevity and performance** over cost savings (compared to plastic alternatives).

**Avoid or consider alternatives if:**

- You require **ultra-high-temperature applications** (above 500 C), in which case a **quartz condenser** would be better.

- You frequently handle the condenser and are concerned about **breakage risk** (consider a **plastic or metal condenser** for robustness).

- Your budget is very limited, and you can compromise on **durability** (cheaper plastic condensers may suffice for non-critical applications).

- You lack access to **proper cooling infrastructure**, as the condenser s efficiency will be severely limited without it.

**Final Verdict:** For most laboratory users especially students, hobbyists, or small-scale chemists the StonyLab Liebig condenser is a **highly recommended purchase** due to its balance of quality, performance, and versatility. With proper care, it will serve you well for years.

Details:

Delivery: Shipping is available only within the Continental USA. Assorted Specifications: available in multiple size options to meet the requirements of different experimental setups. Dimension: 7.87 inch jacket length , 24/40 top and bottom joints; hose fittings for 3.15in.D. Stonylab Liebig Condenser, Borosilicate Glass Condenser with 200mm Stonylab mm:: Distillation Efficiency: condenser is essential for distillation and reflex processes, connecting flasks bent adapters to efficiently condense vapor into liquid.

Premium Material: made of borosilicate glass, providing exceptional clarity, thermal and chemical resilience, long-lasting durability.

specifications plasticwarelabsuppy:

  • brand: Stonylab
  • part type: Condenser
  • itemheight: 50
  • itemlength: 320
  • packageheight: 65
  • packagelength: 383
  • packageweight: 272
  • packagewidth: 95
  • size: 200 Mm
  • upc: 840371315897

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  • # reviews: 224
  • city: Los Angeles, California
  • rating: 100.0%

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  • quantity: 1
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  • availability: In Stock
  • started: March 21, 2026
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  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
  • condition: New

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part type: condenser, itemheight: 50, itemlength: 320, packageheight: 65, packagelength: 383, packageweight: 272, packagewidth: 95, size: 200 mm,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13489413790277751,
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1 offer $58.95 USD
  • New. Offer #1 priced at $58.95 + $0.00 shipping estimate = $58.95* total. Premium Material: made of borosilicate glass, providing exceptional clarity, thermal and chemical resilience, and long-lasting durability. Distillation Efficiency: Liebig condenser is essential for distillation and reflux processes, connecting with distillation flasks and bent adapters to efficiently condense vapor into liquid.FREE SHIPPING

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