1. Adherence to principles that are both conducive to usage and ensure safety is essential. Proper management and use of chemical substances must be maintained, along with the reinforcement of safety education.

  2. Chemical substances must be stored based on their chemical properties; flammable, explosive, highly toxic, and strongly corrosive items should not be mixed. Chemicals should be stored in dedicated cabinets within storage rooms that meet conditions such as being cool, well-ventilated, moisture-proof, and light-protected, equipped with fire and theft prevention facilities.

  3. All substances must have clear labels. Unclear labels should be promptly replaced, expired or unlabeled substances are prohibited for use and must be properly handled.

  4. Containers for experimental reagents must be labeled, indicating the name, specifications, and concentration for repackaged substances. Substances without labels or with labels that are indistinguishable must be treated with caution as hazardous materials after reidentification, and must not be casually discarded to prevent serious consequences. If chemicals in the laboratory are not used for an extended period, they should be placed in the chemical storage room for centralized management.

  5. Containers for chemical substances must be sealed to prevent gas leakage and moisture absorption. Light-sensitive chemicals should be stored in dark glass containers or light-protected containers. Regular inspections of chemical packaging and quality are necessary.

  6. Strengthening the management of fire sources is crucial. No open flames are allowed around or inside chemical storage rooms, and fire sources in laboratories must be kept away from flammable and explosive materials. When a fire source is present, personnel should not leave.

  7. Flammable and explosive materials must be stored away from light, with fire and electrical prevention measures in place. The reasonable storage quantity of flammable and explosive substances should be determined, with well-sealed packaging containers. Inflammable and explosive reagents should be stored in iron cabinets (with a wall thickness of at least 1mm), and the tops of the cabinets should have ventilation openings. Substances that can decompose, burn, or explode upon contact with water, such as potassium, sodium, phosphorus trichloride, phosphorus pentachloride, fuming sulfuric acid, and sulfur, are not allowed to come into contact with water and should not be stored in damp places.

  8. The procurement and transportation of hazardous materials should comply with the relevant regulations of the public security and transportation departments. Toxic, radioactive substances, and other dangerous materials should be stored separately and managed by designated personnel with double locks. Cabinets storing toxic substances should be sturdy and secure, and a strict registration system for retrieval and use should be established.

  9. Regular inspections of hazardous materials are necessary to prevent spontaneous combustion or explosions caused by deterioration or decomposition. Containers, deteriorated materials, residues, and wastewater of toxic substances should be properly handled.

  10. Borrowing of reagents is strictly prohibited. In special cases where borrowing is necessary, approval and signature from leadership are required.

  11. Containers for retrieving chemical reagents must be separated, with each type of reagent using a separate container, and mixing is not allowed.

  12. Operations involving organic solvents and highly volatile reagents should be conducted in well-ventilated areas or within fume hoods. Under no circumstances is the direct heating of organic solvents with an open flame allowed.

  13. When using strong acids, strong bases, or other chemical reagents, operations and storage must adhere to specified requirements.

By 向阳 翟


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