AQUEOUS SODIUM HYPOCHLORITE SOLUTION, SODIUM HYPOCHLORITE PENTAHYDRATE CRYSTAL FOR GIVING THE SAME, AND METHOD FOR PRODUCING AQUEOUS SODIUM HYPOCHLORITE SOLUTION

摘要

To provide an aqueous sodium hypochlorite solution that is excellent in storage stability even when having a high concentration, and a method for producing the same.SOLUTION: There are provided an aqueous sodium hypochlorite solution simultaneously fulfilling requirements of sodium hypochlorite at a concentration of 15 to 30 mass%, sodium chloride at a concentration of less than 0.20 mass%, and iron at a concentration of not more than 0.20 ppm by mass; and a method for producing the same.SELECTED DRAWING: None