Laboratory Watch Glass

Laboratory watch glass is a type of glassware commonly used in laboratories. It is a circular, flat piece of glass with a slight concave shape. The watch glass is typically used as a cover or lid for beakers, flasks, or other containers during experiments or when storing substances.

The main purpose of using a watch glass is to prevent evaporation or contamination of the contents inside the container. It can also be used to hold small amounts of solid or liquid samples for observation or analysis under a microscope.

Laboratory watch glass is made from high-quality borosilicate glass, which is resistant to thermal shock and chemical reactions. It is transparent, allowing easy visual inspection of the contents without removing the cover.

In addition to its primary function as a cover, watch glass can also be used for evaporating small amounts of liquid, as a surface for drying or weighing substances, or as a platform for performing small-scale reactions.

Overall, laboratory watch glass is a versatile and essential piece of equipment in any laboratory setting, providing protection and convenience during various experimental procedures.