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02
2021
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The difference between drying magnesium sulfate anhydrous and sodium sulfate anhydrous.
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Anhydrous sodium sulfate has weak drying power (efficacy) and a slow drying rate. Its advantages include high water absorption, low cost, large particle size, and ease of handling. Due to its stable properties and strong water-absorbing capacity, it is a moderately slow-acting, neutral desiccant.
Anhydrous sodium sulfate has weak drying power (efficacy) and a slow drying rate. Its advantages include high water absorption, low cost, large particle size, and ease of handling. Due to its stable properties and strong water-absorbing capacity, it is a moderately slow-acting, neutral desiccant. It is commonly used in laboratories.
Anhydrous magnesium sulfate has slightly stronger drying power and dries more quickly. This powder is a fine particulate material and is classified as a weakly acidic desiccant. It does not react with organic substances. Organic compounds such as esters can be used to dry aldehydes, nitriles, and amides. Both of these desiccants are relatively weak; they have very high water absorption rates and are suitable for preliminary drying. If higher purity is required, stronger desiccants must be used for deeper drying. Stronger desiccants typically have lower water absorption rates—these properties are complementary to each other.
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