... <=5ppmSaccharin sodium, also called soluble saccharin, saccharin sodium salt, with two saccharin sodiumWater of crystallization, colorless crystalline ... eye drops, etc4, electroplating industry: electroplating level saccharin sodium is mainly used in electroplating nickel, as brightener ... used. Add a small amount of sodium saccharin, can improve the plating nickel brightness and softness ...