Why most of laboratory apparatus are made of class?

Laboratory apparatus are commonly made of glass due to several important properties that glass possesses, making it suitable for a wide range of laboratory applications. Some of the key reasons why glass is preferred for laboratory equipment are:

1. Transparency: Glass is transparent, allowing researchers to observe reactions, measurements, and changes without the need to open the apparatus. This feature is essential for processes like titrations, colorimetric assays, and visual inspection of reactions.
2. Chemical Inertness: Glass is chemically inert and non-reactive to most chemicals. It does not introduce impurities into the substances being handled, ensuring accurate and reliable results in experiments.
3. Thermal Stability: Glass can withstand a wide range of temperatures without undergoing significant changes in its physical properties. This makes it suitable for experiments involving heating, cooling, or rapid temperature changes.
4. Ease of Cleaning: Glass surfaces are smooth and non-porous, making them easy to clean and sterilize. This is crucial for preventing cross-contamination between experiments.
5. Durability: High-quality laboratory glassware is quite durable and can withstand mechanical stress and impacts, reducing the risk of breakage during normal use.
6. Versatility: Glass can be molded into various shapes and sizes, making it adaptable to different experimental setups and procedures.
7. Compatibility: Glass is compatible with a wide range of solvents, reagents, and substances commonly used in laboratories.
8. Non-Magnetic: Glass is non-magnetic, which is essential for certain experiments where magnetic interference could affect the results.

Despite these advantages, it's important to note that not all laboratory apparatus are made of glass. Some specialized equipment may be made from other materials like plastics, metals, or ceramics, depending on the specific requirements of the experiment or application. For instance, plastic materials are often used when chemical resistance to certain reagents is critical or when disposable, single-use items are needed to prevent contamination. However, glass remains a widely used and trusted material for a broad range of laboratory purposes due to its unique properties and reliability.