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...

The selection of pipette tips is crucial for the accuracy and efficiency of experiments. Here are some recommendations for choosing pipette tips: 1. Material: Polypropylene Plastic: Most pipette tips are made of polypropylene plastic, known for its chemical inertness and wide temperature range. Ensure the selection of high-quality tips, preferably...

Structure of Conventional Centrifuge Tube Rack: Stand: Provides overall support. Perforated Surface: Contains multiple holes for inserting centrifuge tubes. Base: Foundation support for the rack. Advantages of Adjustable Centrifuge Tube Rack: Distance Adjustment: Allows for the adjustment of the distance between the rack and the base to accommodate different heights...

1. Manual cutting1. Prepare toolsHand cutting requires the following tools: heat-resistant gloves, fragile knife, grinding wheel, matches.2. Cutting steps(1) Place the glass capillary tube on a flat table;(2) Use a sharp blade or grinding wheel to gently grind one end of the glass capillary tube into a bevel. The polished...

1. Overview of glass capillary tubesA glass capillary tube is a slender, hollow, tiny glass tube. Glass capillary tubes have a characteristic called the capillary effect, that is, in a tiny tube, the surface tension of a liquid or gas will cause it to form a curved surface inside. Glass...