Potassium Sulfate 500gm, Merck India

This lab-grade chemical is ideal for school, college, and university science labs and analysis. Potassium Sulfate 500gm (chemical formula: K₂SO₄) is an inorganic salt commonly used in fertilizers and various industrial applications.

Chemical Composition:

Potassium Sulfate is made up of two potassium ions (K⁺) and one sulfate ion (SO₄²⁻). It is a white, crystalline solid that is odorless and highly soluble in water.

Properties of Potassium Sulfate:

• Appearance: White, crystalline powder or granules.
• Solubility: Soluble in water but not very soluble in alcohol.
• Melting Point: It decomposes at around 1,060°C (1,940°F).

Uses of Potassium Sulfate:

• Fertilizer: One of the primary uses of potassium sulfate is in the agriculture industry as a source of potassium and sulfur, both of which are essential nutrients for plant growth. It is favored in certain crops (e.g., fruits and vegetables) that are sensitive to chloride, as potassium sulfate contains no chloride (unlike potassium chloride).
• Industrial Applications: Used in the production of glass, soaps, and detergents. It can also be used in some chemical processes to produce potassium and sulfur-based compounds.
• Water Treatment: Potassium sulfate is sometimes used in water treatment processes, particularly to remove heavy metals or as a component in some de-icing compounds.

Benefits for Plants:

• Potassium Source: Potassium is vital for plant health as it helps in regulating water balance, enzyme activation, and the synthesis of proteins and carbohydrates.
• Sulfur Source: Sulfur is important for protein synthesis and the formation of chlorophyll in plants.
• Chloride-Free: Unlike potassium chloride (KCl), potassium sulfate does not contribute chloride ions, which can be detrimental to certain plants, particularly in high salinity or salt-sensitive crops.

Production:

• Natural Sources: Potassium sulfate can be obtained from natural sources, such as the mineral kainite, a combination of potassium chloride and magnesium sulfate.
• Manufactured: It is also produced through chemical processes like reacting potassium chloride with sulfuric acid.

Safety:

• Potassium sulfate is generally considered safe to handle, though, like any fine particulate material, it should be handled with care to avoid inhaling dust. When used appropriately in agricultural settings, it is non-toxic and does not pose significant environmental risks.

Environmental Impact of Potassium Sulfate:

• Potassium sulfate is considered environmentally friendly when used as a fertilizer because it does not release harmful chloride ions into the soil, which could affect soil health over time.

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