Which is generally considered more reliable for lab equipment?

Glassware is generally considered more reliable for lab equipment due to its excellent chemical resistance, stability at varying temperatures, and clarity, which allows for easy observation of the contents. Glass does not interact with most chemicals, making it suitable for use in a variety of laboratory applications, including acidic and basic environments that might degrade plastics or other materials. The inert nature of glass ensures that there is minimal risk of contamination, which is crucial in experiments requiring high levels of precision and accuracy.

In addition to chemical resistance, glassware is also durable when handled properly, making it appropriate for repeated use in laboratory settings. Its ability to withstand high temperatures means it can be used in procedures that require heating, such as boiling or sterilization.

In contrast, plasticware, while lightweight and often less expensive, can be prone to leaching chemicals, deforming under heat, or reacting with certain solvents, which diminishes its reliability for many lab procedures. Metallic containers are useful for specific applications but are often not suitable for use with corrosive substances or in applications requiring strict contamination controls. Cardboard boxes, being non-sterile and not designed to hold or interact with liquids or chemicals, are not suitable for practical use in a laboratory setting.