construction testing equipment


Evaporating Dishes
Materials for Construction

Porcelain or Borosilicate glass

Minimum Order Quantity
1 Piece

Product Description - Evaporating Dishes

Model No.     Description of Evaporating Dishes
ZI 9026-A      Evaporating Dish, Shallow form with spout, porcelain 100 x 40mm
ZI 9026-B      150 x 45mm
ZI 9026-C      200 x 45mm

In the science lab you can find plenty of equipments that you can use for carrying out different experiments and observations and also to analyse the output and results of your experiments. Evaporating Dish is also very commonly used equipments in lab.

What is an evaporating dish?

If we want to know what is a evaporating dish then, we can have a look at our kitchens itself, where we have pots, pans, bowls and small special kitchen utensils for specific purposes that make cooking easier and help us prepare good dishes. A large bowl can be ideal for mixing, while a teaspoon works well for measuring. Likewise, in a science laboratory, we have various laboratory equipment and glassware that help us to carry out experiments and obtain good results.

One of the most used equipment used in laboratory is the evaporation dish. The evaporation dish  is a small container with a spout, usually made of porcelain or borosilicate glass. As its name suggests, it is commonly used to evaporate solvents from a sample.

An evaporation dish is a piece of laboratory glass used to evaporate solutions and supernatants, and sometimes to their melting point. Evaporation dishes are used to evaporate excess solvents, most commonly water, to produce a concentrated solution.

Evaporating dish laboratory apparatus found in a chemistry lab usually collects small samples. However, larger samples can be accommodated with higher capacity evaporation plates; these are less flat and more hemispherical in shape to hold larger volumes of liquid. The shape of the evaporation tray facilitates evaporation due to the large surface area where the solvent is exposed to the atmosphere.

Evaporating dish uses in laboratory / Evaporating dish function in laboratory

The material of an evaporation dish can withstand higher temperatures without breaking down. This enables some common functions of the evaporation dish, such as evaporating the solvent. Solvent evaporation is a process that removes the part of the solution that evaporates most easily. This results in a solvent with a higher solute content; in other words, solvent evaporation leaves a more concentrated solution. Here is a simple lab setup that shows how we generally evaporate solvents with an evaporation dish:

In this setup, the solution we want to vaporize is placed in an evaporation dish on top of a wire mesh with a Bunsen burner flame below. The solvent evaporates, giving a more concentrated solution.

Another common function of the evaporation dish is to dry the samples. In some chemical experiments we have precipitates that are the result of a chemical reaction. These precipitates are usually not dry when made and still contain solvent.

Note: When liquids are heated in an evaporation vessel, the low walls promote splashing, so it is considered bad practice to stir or agitate the evaporating liquids due to the risk of spillage.

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