Silver chloride is one of the important components in photographic negatives. It can interact with light and record images. Silver chloride has antibacterial effects, so it is widely used in the medical field. Silver chloride has important applications in electronic devices. For example, in electrically conductive materials, silver chloride is a commonly used additive that can improve the conductivity and stability of the material. The antibacterial properties of silver chloride make it used in the field of environmental protection. For example, in water treatment, silver chloride can be used to kill bacteria, viruses and other microorganisms in water and purify water quality. Silver chloride also has important applications in the metallurgical industry. For example, in the process of metal extraction and refining, silver chloride can be used as a catalyst to promote the REDOX reaction of metals.