Glass Condenser

Name: Benchtop Heated Calendering Machine (200 mm)
Brand: Canrd
Availability: InStock

$7.25

item_No:MA-CM-GL-007201

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✓ Selected: Straight Glass Condenser / 200mm 24/24

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Details

Specifications

Basic Information:
It is laboratory equipment used for condensation to achieve condensation or reflux functions.
It consists of two glass tubes, an inner tube and an outer tube. The smaller inner tube passes through the larger outer tube. The upper and lower sides of the outer tube are equipped with barbed hose nipples, which serve as the water outlet and water inlet respectively.

Straight Condenser

The inner tube of a straight condenser is a straight glass tube. It is used for distillation and fractional distillation of substances with a boiling point below 140°C. It is mainly applied to inclined distillation setups and is not suitable for reflux.

Allihn Condenser

The inner tube of an Allihn condenser consists of several interconnected glass
It is used for reflux in organic synthesis and is suitable for liquids of various boiling points.

Graham Condenser

The inner tube of a Graham condenser is spiral-shaped. It is used for reflux in organic synthesis and is suitable for liquids with relatively low boiling points.

Usage Instructions
1. Insert the condenser tube correctly into the iron stand, with the inner tube and outer tube aligned and securely clamped.
2. Connect the cooling water hoses to the lower inlet and upper outlet to ensure smooth water flow.
3. During use, maintain a steady cooling water flow and avoid sudden changes in water pressure.
4. After the experiment, stop the cooling water first, then remove the condenser tube once it has cooled to room temperature.
5. Clean and dry the condenser tube before storage to prevent residue and contamination.

Precautions
1. Before use, inspect the condenser tube for cracks, scratches, or damage. Do not use a damaged tube.
2. Ensure the cooling water inlet and outlet are connected correctly. The water inlet is usually at the bottom, and the water outlet is at the the top.
3. Avoid over-tightening the clamps to prevent stress on the glass tube.
4. During distillation or reflux, control the heating rate to avoid bumping and vapor overflow.
5. If leakage or abnormal conditions are found during use, stop the experiment immediately and handle it safely.

Condensation Effect
Proper cooling ensures efficient condensation. When the cooling water flow is stable, the vapor is effectively cooled and condensed into liquid. If the cooling water flow is too low, condensation efficiency will decrease, and uncondensed vapor may escape. If the flow is too high, it may cause unnecessary water consumption and thermal stress on the glass. Maintaining an appropriate flow rate helps achieve stable condensation and better experimental results.

Applicable Scenarios
Condensers are widely used in chemical experiments, pharmaceutical research, environmental testing, and material analysis. They are suitable for distillation, reflux, solvent recovery, and other processes that require vapor cooling and liquefaction. They can be used in both organic synthesis and inorganic preparation. Select the appropriate condenser type according to the experimental requirements and operating conditions.