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Dean and Stark Apparatus

BT-9211

It may be defined as the apparatus consist of 500 ml heat resistant glass with neck having ground glass joint, a condenser made of heat resistant glass receiver – also made of heat resistant glass with ground glass joint leading to the flask and graduated tube. Capacity of receiver will be 2 or 10 ml. (please specify while ordering – or else 2 ml receiver shall be supplied).

Features:-

  • Highly durable
  • High strength
  • Affordable
  • Desiccant
  • Condenser
  • Graduated collection tube
  • Core sample
  • Flask
  • Solvent
  • Two types of Dean-Stark traps exist – one for use with solvents with density less than that of water and another for use with solvents with a density greater than that of water.
  • The Dean-Stark apparatus typically consists of vertical cylindrical glass tube, often with a volumetric graduation along its full length and a precision stopcock at its lower end, very much like a burette.
  • The lower end of a reflux condenser fits into the top of the cylinder.
  • Immediately below the joint between the condenser and the cylinder is a sloping side-arm that joins the cylinder to a reaction flask.
  • The lower end the side-arm turns sharply downward, so that the side-arm is connected to the reaction flask by a vertical tube.
  • The reaction flask is heated. Boiling chips within it assist with the calm formation of bubbles of vapor containing the reaction solvent and the component to be removed.

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