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[Chemical Knowledge]：caustic soda and liquid caustic soda, do you understand?

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The flake caustic soda and liquid caustic soda are two common alkaline substances, which play an important role in industrial and agricultural production. So, what is the difference between them? Let's find out.

flake caustic soda and liquid caustic soda have different physical forms. The flake base exists in the form of a solid, while the liquid base exists in the form of a liquid. The flake base is usually white granular and is made by mixing sodium hydroxide (NaOH) and sodium bicarbonate (NaHCO3). The liquid alkali refers to sodium hydroxide solution, usually the concentration is between 10% and 50%.

flake caustic soda and liquid caustic soda also differ in ease of use. The flake base needs to be dissolved in advance before it can be used because its solid particles are not easy to dissolve. The liquid alkali does not require additional operation and can be used directly. This makes the liquid caustic more convenient and faster in some situations, especially for large-scale production.

In addition, the preservation methods of flake caustic soda and liquid caustic soda are also different. The flake alkali needs to be stored in a dry and ventilated place to avoid moisture, so as not to affect its performance. The liquid alkali needs to be stored in a sealed container to avoid evaporation and moisture infiltration. This is because the sodium hydroxide solution is hygroscopic and easy to deteriorate.

in the specific application, flake caustic soda and liquid caustic soda also have their own characteristics. Because the flake base is in solid form, it is relatively stable during handling and storage and is not easy to leak. The liquid caustic soda needs to strengthen safety measures during transportation and storage to prevent leakage accidents. However, liquid caustic is easier to mix and react in some processes and is more suitable for some special process requirements.

sum up, there are some differences between caustic soda and liquid caustic soda in physical state, ease of use, preservation method and specific application. When selecting and using, which alkaline substance can be used according to specific needs. Both flake caustic soda and liquid caustic soda are important chemical raw materials and play an irreplaceable role in industrial and agricultural production. It is hoped that through the introduction of this article, readers can better understand and use these two alkaline substances.

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