Evaporating dish

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An evaporating dish glazed on the inside.

An evaporating dish or evaporating basin (sometimes referred to as watch glass) is a laboratory item used for the evaporation of solutions and supernatant liquids, and sometimes to their melting point.


Evaporating dishes have the appearance of a thin concave dish with a beak, though some models may have flat bottom. The most common type is made of glazed fired porcelain, though all-glass versions exist. Plastic evaporating dishes are rarely encountered or used, as repeated heating will deform it.


Evaporating dishes can be bought from lab suppliers or online.


  • Evaporate solutions
  • Recrystallize compounds

See also


Relevant Sciencemadness threads