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Inquire NowRead: 459 Time:20months ago Source:Transform the World with Simplicity
Humidity refers to the content of water vapor in the air, which is related to air temperature, air pressure and other factors. Humidity has an important impact on the storage and use of certain substances, such as chemical reagents, plastic products, food, etc. For these moisture-sensitive substances, we need to take measures to eliminate humidity to maintain their quality and stability.
anhydrous magnesium sulfate drying method is a commonly used method to eliminate humidity. To put it simply, it is to contact a humidity-sensitive substance with anhydrous magnesium sulfate to absorb its internal and external moisture, thereby achieving a drying effect. Let's explore the principle of this method.
anhydrous magnesium sulfate is a strong moisture absorbent, it can absorb water and form a complex. However, it cannot absorb all water, because it is limited to absorbing water soluble water, and cannot absorb water that is not soluble in water. Therefore, when using this method, it is necessary to know the properties of the substances to be dried in advance to determine whether they are suitable for this drying method.
When anhydrous magnesium sulfate is in contact with the substance to be dried, the process of adsorbing moisture is a dynamic equilibrium. In the initial stage of contact, anhydrous magnesium sulfate absorbs more water, and the dried material has less water content, so water is transferred from the dried material to anhydrous magnesium sulfate. But with the passage of time, anhydrous magnesium sulfate has saturated adsorption of water, at this time the water in the dried material began to release to anhydrous magnesium sulfate, thus forming an equilibrium.
in addition to understanding its principle, we also need to understand how to correctly apply anhydrous magnesium sulfate drying method. We need to choose high-purity, dry anhydrous magnesium sulfate to ensure its water absorption effect; when in use, it is necessary to place anhydrous magnesium sulfate and the dried substance in a closed container in proportion to ensure the drying effect; finally, it is necessary to replace anhydrous magnesium sulfate regularly to avoid its failure to cause the dried substance to absorb moisture again.
anhydrous magnesium sulfate drying method is an effective method to eliminate humidity, but it is necessary to pay attention to the nature and use of the dried material to achieve the best effect. In chemical experiments, pharmaceutical products, food and other fields, this drying method has a wide range of applications.
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