Evaporating dish
Original price was: $250.00.$200.00Current price is: $200.00.
An evaporating dish is a shallow, circular dish typically made of glass, porcelain, or ceramic, designed to hold liquids for evaporation. It features a broad, flat surface that maximizes the area exposed to air, promoting faster evaporation of solvents. The dish is often used in laboratories for processes such as evaporating excess solvent from solutions, crystallization, and drying solid samples. Its materials are heat-resistant, allowing for direct heating over a flame or on a hot plate without risk of breaking. The shape and durability make it ideal for precise measurements and chemical reactions.
Uses of Evaporating dish
- Evaporation:
The primary use of an evaporating dish is to evaporate liquids. It allows for the gradual evaporation of a solvent from a solution, concentrating the remaining solute.
- Heating Solutions:
Evaporating dishes can be heated directly over a flame or on a hot plate. This is useful for boiling solutions or driving off solvents.
- Crystallization:
They can be used in crystallization processes where a solution is evaporated to obtain crystals of a solute.
- Drying Samples:
Evaporating dishes are often used to dry solid samples by allowing moisture to evaporate at room temperature or with gentle heating.
- Sample Preparation:
In analytical chemistry, they may be used to prepare samples for further analysis, such as drying or concentrating a solution before spectroscopic or chromatographic analysis.
- Weighing Solids:
Some labs use evaporating dishes to weigh solid residues after evaporation, providing a convenient container for precise measurements.
- Reactions:
They can be used to conduct small-scale reactions that require heating or evaporation of solvents.
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