Which type of glassware is not typically used in volumetric analysis?

In volumetric analysis, precise measurement of liquid volumes is crucial for accurate results. The first three types of glassware—volumetric flasks, pipettes, and burettes—are specifically designed for such measurements. Volumetric flasks provide a fixed volume when filled to a mark, ensuring accuracy for preparing solutions. Pipettes allow for the transfer of a specific volume of liquid, which is essential for titrating and preparing standard solutions. Burettes facilitate the controlled addition of titrant to a solution, allowing for precise determination of concentration at the endpoint of a titration.

Desiccators, on the other hand, are not intended for measuring volumes. They are used for storing moisture-sensitive substances and maintaining a dry environment, but they do not provide the precision necessary for volumetric analysis. Hence, while other glassware is tailored for accurate liquid measurement, desiccators serve a different purpose unrelated to volumetric assessments.