1. Determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel and tin. Complexing stabilizer. Auxiliaries, buffers, desiccants, and mordants for acetylation. 2. Used for the determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel, tin. Used as esterifying agent for organic synthesis, photoprinting and dyeing mordant, buffering agent, chemical reagent, meat preservative, pigment, tanning and many other aspects. 3. Used as buffering agent, flavoring agent, flavoring agent and pH adjuster. Use 0.1% to 0.3% as a buffering agent for flavorings that can mitigate bad odors and prevent discoloration and improve flavor. It has a certain anti-mildew effect, such as using 0.1% ~ 0.3% in fish surimi products and bread. It can also be used as an acidulant for sauces, sauerkraut, mayonnaise, fish cakes, sausages, bread, sticky cakes, etc. It is mixed with methylcellulose, phosphate, etc., to improve the preservability of sausages, bread, sticky cakes, etc. 4. Used as anti-coking agent for sulfur regulated neoprene rubber, the dosage is generally 0.5 parts by mass. It can also be used as a crosslinker for animal glue. 5. This product can be used to add alkaline tin plating, but it has no obvious effect on the plating layer and plating process, and is not a necessary component. Sodium acetate is commonly used as a buffer, such as acid galvanizing, alkaline tinning, and nickel plating.