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Desiccant in effervescent tablet packaging

Carrie May 08,2019 Share this post:

Do you know the desiccant in effervescent tablet packaging types? Desiccant is used for medicines, foods are moisture-proof and mildew-proof. Commonly used desiccants can be classified into physical adsorption desiccants and chemical adsorption desiccants. Silica gel desiccants in physical adsorption desiccants meet the US FDA standards and are verified to be free of human body. Silica gel desiccants physically adsorb water molecules in their structures.


effervescent tablet packaging

The desiccant in the effervescent tablet packaging rarely uses a chemically adsorbed desiccant. Commonly used desiccants for chemical adsorption include quicklime, magnesium chloride, calcium chloride, soda lime, phosphorus pentoxide, etc., absorbing water molecules to change their chemical structure and become another substance. Molecular sieves are another commonly used desiccant. The molecular sieve is a crystalline silicate or aluminosilicate, which is a channel and cavity system formed by a silicon oxytetrahedron or an aluminoxy tetrahedron connected by an oxygen bridge. It can be divided into pore size by high-efficiency desiccant, selective adsorbent, catalyst, ion exchanger, etc. The molecular sieves with pore size less than 2nm, 2-50nm and greater than 50nm are called microporous, mesoporous and macroporous molecular sieves, respectively.

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