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[Chemical Knowledge]：Precautions for configuring oxalic acid solution

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In the laboratory, the configuration of oxalic acid solution is a common operation. Oxalic acid solution has a wide range of applications in chemical experiments, but because of its strong corrosion, the safe configuration and use of oxalic acid solution is particularly important. Here we come to understand the configuration of oxalic acid solution need to pay attention to the problem.

1. Safety protection
Before configuring oxalic acid solution, sufficient safety preparations must be made.

wear lab gloves and goggles to ensure adequate body and eye protection.

should be operated in a well-ventilated laboratory to avoid the harm to the human body caused by the volatilization of oxalic acid solution.

2. configure solution
configure oxalic acid solution needs to be strictly in accordance with the operating procedures.

prepare the required oxalic acid and deionized water, and accurately weigh the ratio of oxalic acid and water according to the experimental requirements. During the operation, the oxalic acid should be carefully added to the water slowly, and it is strictly forbidden to add the water to the oxalic acid to avoid violent reaction. After the configuration is completed, the oxalic acid solution should be contained in a special vessel container and sealed to prevent volatilization.

3. waste liquid treatment
oxalic acid solution will produce waste liquid in the process of use, these waste liquid also has strong corrosiveness, need to be extra careful when handling. It is strictly forbidden to pour the waste liquid directly into the sewer or other drainage outlets, and it should be treated in accordance with the treatment procedures specified by the laboratory. The best way is to be handled by a professional waste liquid treatment unit to avoid harm to the environment and the body.

4. Storage Precautions
The prepared oxalic acid solution needs to be stored properly.

should choose a good anti-corrosion performance of the bottle for storage, so as to avoid the reaction of the solution and the bottle corrosion.

storage should be kept away from fire and high temperature to avoid volatilization or explosion of oxalic acid solution.

configuration of oxalic acid solution is a need to attach great importance to the experimental operation. Before proceeding, we must make comprehensive safety preparations, including health protection and safe operation guidelines. The configuration process should also be carried out in strict accordance with the procedures to ensure accurate matching and meticulous operation. More importantly, after the configuration is completed, the disposal of waste liquid and the storage of the solution need to be extra careful to ensure the safety of the laboratory environment and personnel.