Solid caustic soda Solid caustic soda,commonly known as sodium hydroxide,caustic soda or caustic soda,has the chemical formula NaOH.It is a white semi transparent crystalline strong alkali,usually existing in the form of flakes or particles,easily soluble in water,and releases a large amount of heat during the dissolution process,forming an alkaline solution.In addition,solid caustic soda is prone to absorbing moisture in the air,causing deliquescence and resulting in a moist surface that gradually dissolves.At the same time,it will also react with carbon dioxide in the air to produce sodium carbonate and deteriorate.【2025/03/13】
Soda ash Soda ash is usually a white powder or fine-grained solid,odorless,salty,and easily soluble in water.Its aqueous solution is alkaline,which makes soda ash widely used in water treatment,cleaning,and neutralization of acidic substances.It is a strong base and weak acid salt.In aqueous solution,carbonate ions undergo hydrolysis reaction,making the solution alkaline.【2025/02/28】