Description

Ammonium sulfate, with the chemical formula (NH_4)_2SO_4, is an inorganic salt widely used as a fertilizer for alkaline soils. It provides two main nutrients—nitrogen and sulfur—which are essential for plant growth. Here’s a closer look at its characteristics and uses:

Properties

• Molecular Formula: (NH_4)_2SO_4
• Appearance: White, crystalline solid
• Solubility: Highly soluble in water
• Density: About 1.77 g/cm³

Uses

1. Agriculture/Fertilizer: Ammonium sulfate is often used to provide nitrogen and sulfur to plants. Nitrogen helps in leaf growth, while sulfur is crucial for protein synthesis. It’s especially beneficial in soils with high pH levels, as it slightly lowers the pH when it dissolves.
2. Industrial Applications: It is used in water treatment, food processing, and as a flame retardant.
3. Laboratory Uses: Ammonium sulfate can precipitate proteins, making it useful in biochemistry labs for purifying proteins by “salting out.”

Advantages and Considerations

• Advantages: Ammonium sulfate is easy to store and apply and provides two essential nutrients in one application.
• Considerations: Overuse can lead to soil acidification and nitrogen buildup, so it’s best used in appropriate amounts.

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