Holding Test Tubes: One of the fundamental purposes of a test tube rack is to stably hold test tubes. This ensures that test tubes do not slide or tip over during experiments, guaranteeing the safety and reliability of the experiment. Heating Test Tubes: Test tube racks are also used for...

Test tube racks are commonly used instruments in laboratories, facilitating experimental operations by providing support for test tubes. However, incorrect installation can lead to tilted or broken test tubes, affecting the accuracy and safety of experiments. Therefore, proper installation of test tube racks is crucial. Here are some steps and...