Sodium gluconate is a kind of organic matter, the chemical formula for C6H11NaO7, application is very extensive in the industry, sodium gluconate can in architecture, textile printing and dyeing and metal surface treatment, and water treatment industries, such as efficient and chelating agent, steel surface cleaning agent, glass bottle of cleaning agent, electroplating industrial alumina coloring, used as a efficient retarder in the concrete industry, high efficiency water reducing agent, etc.