Thursday, June 14, 2018

General Info-02

Know about Unit of Pressure and Use of BET method

Unit of Pressure
  • Bar- A unit of pressure equal to one atmosphere. 
  • It is equivalent to 14.5 pounds per square inch (psi) or 0.1 Megapascal.

BET Method
  • A method developed by Bruner, Emmett and Teller for measuring surface area.
  • The level of liquid nitrogen adsorption within the pores of the phase is measured at very low temperatures. 
  • Pore volume and pore size distribution methods can also be obtained by this method.


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