Sodium hydroxide is strongly alkaline and highly corrosive. It can be used as an acid neutralizer, a masking agent, a precipitant, a precipitation masking agent, a color developing agent, a saponifying agent, a peeling agent, a detergent, and so on. It is widely used.
There are two methods for industrial production of sodium hydroxide: causticization and electrolysis. Causticizing method is divided into soda ash causticizing method and natural alkali causticizing method according to different raw materials; Electrolysis can be divided into membrane electrolysis and ion exchange membrane.
The staff shall take protective measures. If they accidentally touch the skin and eyes, they shall immediately wash them with plenty of water. The working environment shall be well ventilated. Sodium hydroxide aqueous solution has a greasy feeling, which will generate high heat when dissolved in water. Please wear protective eyeglasses and rubber gloves when operating, and be careful not to splash it on the skin or eyes.
