Sodium gluconate is a versatile compound with many uses in various industries. Some of the common or major uses of sodium gluconate include:

1. Chelating agent: Sodium gluconate is used as a chelating agent in various industries, such as the food industry, pharmaceuticals, and detergents. It can bind with metal ions, such as calcium and magnesium, to prevent them from interfering with product quality or stability.
2. Concrete admixture: Sodium gluconate is used as a concrete admixture in the construction industry to improve the workability and strength of concrete. It acts as a water reducer, increases the setting time, and improves the properties of fresh and hardened concrete.
3. Water quality stabilizer: Sodium gluconate is used as a water quality stabilizer in the textile industry, where it helps to prevent discoloration and to remove impurities from water.
4. Food additive: Sodium gluconate is used as a food additive in the food industry as a sequestrant, acidulant, and flavor enhancer. It is also used to prevent the formation of crystals in processed foods and beverages.
5. Personal care products: Sodium gluconate is used in personal care products, such as shampoos and skin creams, as a pH adjuster and a water softener. It also helps to improve the stability and texture of these products.
6. Medical applications: Sodium gluconate is used in some medical applications, such as in intravenous solutions and as a treatment for lead poisoning. It is also used as a contrast agent in medical imaging.