Ammonium Ferrous Sulphate AR: A Comprehensive Overview

Ammonium ferrous sulphate AR, also known as Mohr’s salt, is a vital chemical compound with the formula (NH4)2Fe(SO4)2·6H2O. This analytical reagent is characterized by its high purity, making it suitable for laboratory use, especially in various analytical applications. With its distinct properties and versatility, ammonium ferrous sulphate AR finds extensive use across multiple industries, including pharmaceuticals, agriculture, and analytical chemistry. This detailed product description will explore its properties, applications, benefits, and safety measures, offering valuable insights for those interested in ammonium ferrous sulphate AR.

Chemical Properties

Composition and Structure

Ammonium ferrous sulphate AR consists of ammonium ions (NH4+), ferrous ions (Fe²+), and sulfate ions (SO4²−). The compound is typically found as a hexahydrate, incorporating six water molecules for every molecule of ammonium ferrous sulphate. This hydration contributes to its solubility and stability in aqueous solutions.

Physical Characteristics

• Appearance: Greenish crystalline solid
• Molecular Weight: Approximately 392.14 g/mol
• Solubility: Highly soluble in water
• Melting Point: Decomposes above 100 °C (212 °F)
• pH: Slightly acidic when dissolved in water

These characteristics make ammonium ferrous sulphate AR a reliable compound for various applications in laboratories and industries.

Applications of Ammonium Ferrous Sulphate AR

1. Analytical Chemistry

One of the primary uses of ammonium ferrous sulphate AR is in analytical chemistry. It serves as a reagent in redox titrations, particularly for the determination of oxidizing agents such as potassium permanganate. Its ability to donate electrons makes it a crucial component for accurate analytical results, ensuring the reliability of experiments.

2. Water Treatment

Ammonium ferrous sulphate AR is also used in water treatment processes. It acts as a coagulant, helping to remove impurities and suspended solids from water. By promoting the aggregation of particles, ammonium ferrous sulphate AR enhances water clarity and quality, making it suitable for drinking and industrial use.

3. Pharmaceuticals

In the pharmaceutical industry, ammonium ferrous sulphate AR is utilized as a source of iron. It is particularly effective in treating iron deficiency anemia, providing an easily absorbable form of iron for individuals in need. This compound is also incorporated into multivitamin formulations and dietary supplements aimed at enhancing iron intake.

4. Fertilizers

In agriculture, ammonium ferrous sulphate AR serves as a micronutrient fertilizer. Its iron content is essential for plant growth, as it promotes chlorophyll synthesis and overall plant health. By providing a readily available source of iron, this compound can improve crop yields and quality, particularly in iron-deficient soils.

5. Dyeing and Tanning

Ammonium ferrous sulphate AR finds application in the dyeing and tanning industries. It acts as a mordant, helping to fix dyes onto fabrics and leather products. Its properties contribute to the stability and vibrancy of colors in textiles and leather goods.

Advantages of Using Ammonium Ferrous Sulphate AR

1. High Purity

Ammonium ferrous sulphate AR is manufactured to meet strict quality standards, ensuring a high level of purity. This makes it suitable for laboratory applications where accuracy is critical. The high purity also ensures that it does not introduce contaminants into sensitive experiments.

2. Versatility

The diverse applications of ammonium ferrous sulphate AR make it a highly versatile compound. Its effectiveness in analytical chemistry, pharmaceuticals, water treatment, and agriculture showcases its adaptability across multiple sectors.

3. Cost-Effectiveness

Compared to other iron sources and coagulants, ammonium ferrous sulphate AR is relatively inexpensive. This cost-effectiveness allows laboratories and industries to utilize it without significant financial burden, making it an attractive option for various applications.

4. Stability

Ammonium ferrous sulphate AR is stable under normal storage conditions, ensuring its reliability in various applications. Its solubility in water allows for easy incorporation into formulations and processes, making it user-friendly for different applications.

How to Use Ammonium Ferrous Sulphate AR

1. In Analytical Chemistry

When using ammonium ferrous sulphate AR in laboratory settings:

• Dosage: Ensure accurate measurement based on the specific analytical method being employed.
• Mixing: Dissolve the compound in distilled water before adding it to the reaction mixture to ensure even distribution.
• Monitoring: Regularly check the purity and reactivity of the compound to maintain the accuracy of analytical results.

2. In Water Treatment

For water treatment applications:

• Dosage: Determine the appropriate dosage based on water quality and treatment goals. Typical usage ranges from 10 to 50 mg/L for effective coagulation.
• Mixing: Dissolve ammonium ferrous sulphate AR in water prior to adding it to the treatment process for optimal results.
• Monitoring: Conduct regular tests of water quality to assess the effectiveness of treatment and adjust dosage as necessary.

3. In Pharmaceuticals

For pharmaceutical formulations:

• Formulation: Incorporate ammonium ferrous sulphate AR into dietary supplements or medications following established guidelines for iron supplementation.
• Quality Control: Regularly test for purity and efficacy to ensure compliance with industry standards.

4. In Agriculture

In agricultural applications:

• Dosage: Apply ammonium ferrous sulphate AR according to soil tests and crop requirements. Typical application rates vary depending on soil conditions.
• Incorporation: Mix into the soil or apply as a foliar spray to maximize nutrient uptake by plants.
• Monitoring: Assess plant health and soil nutrient levels regularly to adjust application rates as needed.

Safety and Handling

1. Toxicity

Ammonium ferrous sulphate AR is generally considered safe when handled properly. However, it may cause irritation to the skin, eyes, and respiratory system. Proper precautions should be taken to avoid exposure.

2. Protective Measures

When working with ammonium ferrous sulphate AR, it is crucial to:

• Wear Protective Gear: Use gloves, goggles, and appropriate protective clothing to minimize exposure risks.
• Ensure Ventilation: Work in a well-ventilated area to avoid inhaling dust or fumes.

3. Storage

Store ammonium ferrous sulphate AR in a cool, dry place away from incompatible substances. Ensure that containers are tightly sealed to prevent moisture absorption, which can lead to degradation.

Conclusion

Ammonium ferrous sulphate AR is a versatile and essential compound utilized across various industries, including analytical chemistry, pharmaceuticals, water treatment, and agriculture. Its unique properties, such as high purity and stability, make it an invaluable resource for professionals and manufacturers alike.

When purchasing ammonium ferrous sulphate AR, choose reputable suppliers that provide high-quality products and detailed safety data sheets. Understanding its applications, benefits, and safety measures will help you maximize the potential of this remarkable compound in your projects.

Whether you’re a researcher conducting experiments in a laboratory, a healthcare professional formulating new medications, or an agricultural expert seeking to enhance crop quality, ammonium ferrous sulphate AR can meet your needs. Embrace the advantages of this compound and unlock new possibilities in your field!