Liebig Condenser
Product Code : SCL-CLE-11913
The StemAids Liebig Condenser is a foundational laboratory instrument engineered for the efficient cooling and condensation of vapors into liquid form. Featuring a classic "tube-within-a-tube" design, it utilizes a continuous flow of coolant (typically water) through an outer jacket to remove latent heat from the vapor traveling through the inner tube. Manufactured to ISO 4799 standards, it is the primary component for simple distillation, fractional distillation, and reflux operations in Chemistry and Pharmacology laboratories.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material |
High-grade Borosilicate Glass 3.3 (Expansion 33) |
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Design |
Concentric dual-tube assembly with straight inner tube |
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Joint Types |
Ground-glass interchangeable joints (Standard 14/23, 19/26, or 24/29) |
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Jacket Lengths |
160mm,200mm,250mm,300mm,400mm |
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Coolant Connectors |
Side-mounted glass serrated nipples (standard 8mm–10mm tubing) |
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Thermal Resistance |
Highly resistant to thermal shock and localized overheating |
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ISO Compliance |
Manufactured under ISO 9001:2015 and ISO 4799 standards |
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HS Code |
7017.90.10 (Laboratory Glassware) |
Key Pedagogical & Laboratory Outcomes
- Phase Transition Interface: Facilitates student understanding of Condensation. Learners identify how the removal of thermal energy forces gas molecules to return to a liquid state.
- Distillation Quantification: Enables the Purification of liquids; learners apply the condenser to separate mixtures based on boiling point differentials (e.g., ethanol from water).
- Heat Exchange Analysis: Supports the analysis of "Counter-Current Cooling"; students evaluate why water must enter the lower inlet and exit the upper outlet to ensure the jacket is completely filled and cooling efficiency is maximized.
- Reaction Evaluation: In "Reflux" mode, allows students to evaluate chemical reactions over extended periods without the loss of volatile solvent, maintaining a constant volume of reactants.
Operational Best Practices
To ensure safety and equipment longevity, StemAids recommends:
- Secure Clamping: Always support the condenser with a dedicated boss-head and clamp to prevent stress on the ground-glass joints.
- Tubing Integrity: Use high-quality rubber or silicone tubing secured with clips to prevent accidental disconnects and laboratory flooding.
- Vertical vs. Slanted: For distillation, the condenser should be slanted downwards; for reflux, it is mounted vertically directly onto the reaction flask.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade, high-density foam packaging. The long, slender body of the condenser is nested in a custom-cut channel to prevent mechanical fracture during maritime or air transit.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a safety guide for pressurized water connections.
- Durability: Borosilicate 3.3 glass ensures the inner tube can withstand the high temperatures of organic vapors while the outer jacket remains cool, preventing structural failure due to the temperature gradient.
Direct OEM Sourcing Advantages
Procuring the StemAids Liebig Condenser directly ensures vertical manufacturing control:
- Precision Ground Joints: Direct oversight ensures vacuum-tight seals at both ends, preventing the leakage of hazardous vapors or the loss of yield.
- Uniform Wall Thickness: We ensure the inner tube has a consistent thickness to allow for rapid, even heat transfer to the cooling water.
- Direct Factory Inventory: Guaranteed availability of all standard joint sizes and jacket lengths to match your existing laboratory glassware inventory.
- Quality Assurance: Every unit is pressure-tested for leaks in the cooling jacket and inspected for internal glass "seeds" that could compromise safety under thermal stress.
