Sodium silicate solution: discussion on definition, characteristics and safe storage and transportation

Sodium silicate solution is a colorless or slightly yellow transparent liquid. Its molecular formula is Na2SiO3, and its molecular weight is 154.28. This compound is strongly alkaline and can react with acids to form silicic acid. In addition, it has good water solubility and stability and can form a solid alkaline solution in water.

(sodium silicate solution)

Sodium silicate solution is widely used in various fields due to its unique properties:

  1. Construction Industry: Adding sodium silicate solution to concrete can enhance its strength, impermeability and durability. In addition, it is also used to make waterproofing agents, tile adhesives, etc.
  2. Electronics industry: Sodium silicate solution is used as an electric flux and sealant to manufacture electronic components and circuit boards.
  3. Environmental protection field: As an efficient adsorbent and desulfurized solution, sodium silicate removes harmful substances from air and wastewater.

There are two main methods of synthesizing sodium silicate solution:

Dry and wet methods. The dry method refers to reacting silicate with sodium hydroxide or sodium carbonate and then calcining at high temperatures to obtain the product. The wet method is produced by reacting sodium silicate and acid in an aqueous solution. Currently, the wet method is the most commonly used in industry.

(sodium silicate solution)

There are some special requirements for the storage and transportation of sodium silicate solution:

  1. To avoid contact with water or substances with high humidity, The storage area should be selected as a dry, cool and well-ventilated place, away from water sources and humid environments.
  2. Sealed containers should be used for storage, and the containers should be well sealed to prevent leakage and exposure to moisture in the air.
  3. Containers should be stored in a fixed location and ensure they are not bumped or tilted to avoid leaks and accidents.
  4. Suitable shipping containers, which should be leak-proof and splash-proof, should be used during transportation. Transport vehicles should be dry and well-ventilated and avoid exposure to extreme temperatures.
  5. Special attention should be paid to avoiding contact with water or substances with high humidity during transportation to avoid dangerous reactions.
  6. Relevant warning signs should also be posted on transport vehicles to remind other personnel to pay attention and handle them cautiously.

As an essential inorganic salt compound, sodium silicate solution has been widely used in many fields due to its glamorous physical and chemical properties. It plays an important role in the construction industry, the electronics industry, environmental protection and other fields. With the straight advancement of science and technology and the expansion of application fields, sodium silicate solutions will have broader development prospects in the future.

(sodium silicate solution)


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