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How to choose desiccant for effervescent tablet tubes supplier

Carrie May 06,2019 Share this post:

Effervescent tablets tube suppliers desiccant is commonly used in silica gel, molecular sieves, most of which are based on silica gel and molecular sieve mixture, the proportion of which according to the characteristics of the drug, the appropriate ratio. Below we focus on the characteristics of silica gel and molecular sieve desiccant.


desiccant 

Silica gel desiccant is a highly active adsorbent material, usually prepared by reacting sodium silicate and sulfuric acid, and undergoing a series of post-treatment processes such as aging and acid foam. Silica gel is an amorphous substance with a chemical formula of mSiO2. nH2O. It is insoluble in water and any solvent, non-toxic and tasteless, chemically stable, and does not react with any substance except strong alkali and hydrofluoric acid. The most commonly used in medical packaging is fine-pored silica gel, which has a white, translucent glass body. It is mainly used for drying and moisture proof, and can be used as a catalyst carrier and dehydration purification of organic compounds. Because of its high bulk density and low humidity, the moisture absorption effect is obvious. It can be used as an air purifier to remove moisture from the air to control the humidity of the air.

Molecular sieve desiccant is a desiccant product that is artificially synthesized and has strong adsorption to water molecules. The pore size of the molecular sieve can be controlled by the difference in processing technology. In addition to adsorbing water vapor, it can also adsorb other gases. At high temperatures above 230 ° C, water molecules are well accommodated.




Effervescent tablets tube manufacturers depend on the characteristics and storage mode of the drug when selecting the desiccant ratio.

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