Determination of Boiling Point of CO2 by Distillation Method (CAT#: STEM-PPA-0152-YJL)

Introduction

Carbon dioxide, CO2, is a colourless and odorless gas. It is relatively nontoxic and noncombustible, but it is heavier than air and may asphyxiate by the displacement of air. When CO2 is solved in water, the mild carbonic acid, is formed. Cooled CO2 in solid form is called dry ice. Carbon dioxide is a gas at standard conditions. However, at low temperature and/or high pressures the gas becomes a liquid or a solid.

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Principle Applications Procedure Materials Notes Related Products

Principle

The boiling point of a compound is the temperature at which it changes from a liquid to a gas under a certain pressure. This is a physical property often used to identify substances or to check the purity of the compound. Boiling point is the temperature at which the vapor pressure of the liquid exactly equals the pressure exerted on it, causing the liquid to "boil" or change to the gas phase. If the volume of the liquid is large, its boiling point can be determined by distillation.

Applications

Chemical industry

Procedure

1. Install the device
2. Add sample and zeolite
3. Introduce condensate
4. Heat
5. After the distillation is completed, remove the heat source first, and then stop the water flow

Materials

• Sample Type: liquid

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