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[Chemical Knowledge]：Matters needing attention and operation skills of water bath heating

Read： 1001 Time：9months ago Source：Transform the World with Simplicity

Water bath heating is a common heating method in the laboratory. It heats the sample or solution by placing the container in a heating water bath and using the heat of the water to conduct to the inside of the container. Water bath heating has the advantages of good constant temperature and uniform heating, but there are also some matters and skills that need to be paid attention to during the operation to ensure that the experiment can proceed smoothly and ensure the safety of the operator. The following is about the matters needing attention and operation skills of water bath heating.

need to pay attention to the choice of water bath. The water bath required for the experiment should be selected according to the specific requirements of the experiment. Generally, there are two kinds of ordinary water bath and constant temperature water bath. The former is suitable for experiments with low temperature requirements, while the latter is suitable for experiments with high temperature accuracy requirements.

need to pay attention to the heating temperature of the water. During the water bath heating operation, the heating temperature of the water bath should be set according to the temperature required for the experiment, and the heating time and heating power should be carefully selected to avoid overheating and drying of the sample or solution. In addition, when placing the container, pay attention to keep a certain distance between the container and the bottom of the water bath to avoid cracking or explosion due to overheating.

for flammable, explosive, volatile solvents, in the water bath heating to be extra careful, preferably in a ventilated place. In the water bath heating operation, we must always pay attention to the operating state of the equipment, and adjust the heating power and temperature at any time to ensure the smooth progress of the experiment. In general, water bath heating is a safe and reliable heating method, but we also need to be extra careful and careful in the operation process, follow the operating procedures, and take timely measures to deal with emergencies. Only on the basis of strictly following the operating regulations and precautions can we safely and efficiently conduct water bath heating experiments. I hope that the precautions and operating skills introduced in this article can be helpful to everyone, so that everyone can operate more calmly and safely in the water bath heating experiment.

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