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[Chemical Knowledge]：The correct use of concentrated nitric acid and matters needing attention

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Concentrated nitric acid is a common chemical reagent that is often used in chemical laboratories. However, due to its strong oxidizing and corrosive properties, special attention should be paid to safety issues during use. Personal protective equipment, including laboratory uniforms, gloves, goggles, etc., must be worn when

use concentrated nitric acid. Concentrated nitric acid will produce a violent reaction when it comes into contact with organic matter, so it needs to be operated in a well-ventilated laboratory and pay close attention to the safety of the surrounding environment.

concentrated nitric acid needs to be stored in a special chemical storage cabinet, and strictly abide by the storage regulations of fire and explosive dangerous goods. In the operation of concentrated nitric acid, should follow the corresponding operating procedures, prohibit the operation without professional training.
When dealing with concentrated nitric acid,
must avoid mixing with other chemicals to avoid harmful gases or other dangerous situations. After the use of concentrated nitric acid, the experimental instruments and equipment shall be cleaned in time, and the waste concentrated nitric acid solution shall be properly disposed. The correct use of concentrated nitric acid by

is essential, and any negligence may lead to serious accidents. I hope everyone can strictly abide by the operating procedures in the process of chemical experiments to ensure personal safety and the safety of the laboratory environment.

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