Equilibrium Boiling Point Apparatus

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Equilibrium Boiling Point Apparatus

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Equilibrium Boiling Point Apparatus

Main characteristics of the bench

Equilibrium Boiling Point Apparatus

Boiling point cell made of borosilicate glass

Principal and Operation:

A liquid (X) is heated up to its boiling point in a micro-boiler; the producing vapours (Y) are in equilibrium with the liquid. At atmospheric pressure, a total condenser flows back the hot condensates into the boiler: The equilibrium between the boiling liquid and its vapour is perfect.
The boiling point cell is equivalent to one perfect theoretical stage; when the liquid – vapour equilibrium is maintained sample can be taken from the liquid and the gas phases using micro-syringes.

Teaching objectives

Determination of the equilibrium curves at atmospheric pressure.

Technical Specifications of Equilibrium Boiling Point Apparatus

Equipment:

Boiling point cell made of borosilicate glass ; volume : 50 ml.
Borosilicate glass condenser.
Heating magnetic stirrer, with adjustable heating power and adjustable stirring speed.
Cold water feeding.
Cooling fluid tube made of reinforced PVC.
P.V.C. plate
Support framework with AISI 304L stainless steel tubes and aluminium connecting nuts.

Instrumentation:

Set of samples and feeding syringes.
Command and control cabinet fitted with an emergency stop, operating buttons and the digital temperature indicator for one Pt100 Ω type probe