There is no difference between sodium citrate and trisodium citrate. Trisodium citrate is also called sodium citrate. Sodium citrate, sodium citrate, sodium citrate is actually a substance. Sodium citrate is a common food additive and pharmaceutical ingredient, which is widely used in food industry, pharmaceutical industry and medical field. In food industry, sodium citrate is often used as flavoring agent, stabilizer and preservative to keep the freshness and taste of food. In laboratory research, sodium citrate is also used as a buffer in biochemical experiments to keep the pH value of the solution stable. In industrial application, sodium citrate can also be used as an auxiliary component of detergent to help remove stains; In the field of environmental protection, sodium citrate can be used as scale inhibitor and corrosion inhibitor in circulating cooling water system, which can effectively prevent scale and metal corrosion.