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[Chemical Knowledge]:Do you really understand the important role of crucible tongs?

Crucible tongs are a common chemical experimental instrument used to clamp and fix objects such as crucibles or test tubes on a support frame for experiments. The crucible tongs are mainly composed of two iron chucks and an iron rod. The chucks can be flexibly opened or closed, and their caliber or clamping force can be adjusted according to experimental needs. The characteristics of

crucible tongs are mainly as follows:

1. Rugged and durable: crucible tongs are generally made of high-quality steel, with smooth appearance, not easy to rust, can withstand long-term use and friction, and have strong wear resistance.

2. Simple operation: The opening and closing of the crucible tongs is very simple and convenient, and it can be completed by slightly twisting the rod, without professional operation skills and experience.

3. Stable clamping force: The clamping force of the crucible tongs can be adjusted according to the needs of the experiment. The chuck and the lever design have a close combination. There is a special rod handle on the gear to ensure the stability and reliability of the clamping force.

crucible tongs are widely used in chemical experiments. Specifically, it can play the following roles:

1. Fixed crucible: When conducting experiments such as heating and heating weight determination, it is usually necessary to fix the crucible on the bracket. At this time, the crucible tongs can stabilize the crucible. And prevent it from falling.

2. Clip the test tube: When conducting experiments such as solution synthesis and reaction, the test tube often needs to be fixed on the crucible tongs to heat, move, and invert the solution.

3. Clipping glass: When conducting experiments such as microscope observation and slice preparation, it is necessary to clamp the glass safely and reliably. Crucible tongs can meet this need.

In general, crucible tongs are an indispensable tool in chemical experiments. In addition to the above-mentioned uses, they can also be used to clamp small objects, fix bottle stoppers, reinforce exhaust and so on. Whether in school laboratories, scientific research institutions or industrial enterprises, crucible tongs are one of the most common experimental tools. For those who want to make great achievements in the field of chemical experiments, the importance of crucible tongs is self-evident.

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