What does FAS mean in CHEMISTRY
FAS (Ferrous Ammonium Sulfate) is a compound primarily used in analytical chemistry. It is commonly employed in redox reactions and serves as a reducing agent. FAS is also known as Mohr's salt.
FAS meaning in Chemistry in Academic & Science
FAS mostly used in an acronym Chemistry in Category Academic & Science that means Ferrous Ammonium Sulfate
Shorthand: FAS,
Full Form: Ferrous Ammonium Sulfate
For more information of "Ferrous Ammonium Sulfate", see the section below.
Composition and Properties
FAS is a hydrated salt with the chemical formula Fe(NH4)2(SO4)2.6H2O. It appears as pale green crystals or a blue-green powder. FAS is soluble in water and forms a colorless solution. It has a molar mass of approximately 392 g/mol.
Uses in Analytical Chemistry
- Titration: FAS is widely used in redox titrations, also known as permanganometry. It serves as a reducing agent and reacts with oxidizing agents such as potassium permanganate (KMnO4). The reaction is stoichiometric, allowing for accurate determination of the concentration of the oxidizing agent.
- Reagent: FAS is employed as a reagent in various analytical procedures, including:
- Determining the content of hydrogen peroxide (H2O2)
- Estimating the concentration of iron (Fe) in ores and other samples
- Detecting the presence of certain ions, such as copper (Cu2+)
Advantages of Using FAS
- Stoichiometric Reaction: FAS reacts with oxidizing agents in a 1:1 mole ratio, enabling precise determination of the concentration of the analyte.
- Rapid Reaction: The reaction between FAS and oxidizing agents is relatively fast, facilitating rapid titrations.
- Stability: FAS is a stable compound that can be stored for extended periods without significant degradation.
- Low Cost: FAS is an inexpensive reagent, making it accessible for various applications.
Essential Questions and Answers on Ferrous Ammonium Sulfate in "SCIENCE»CHEMISTRY"
What is Ferrous Ammonium Sulfate (FAS)?
Ferrous Ammonium Sulfate (FAS) is a chemical compound with the formula (NH4)2Fe(SO4)2·6H2O. It is a water-soluble salt that appears as pale green crystals or a powder. FAS is commonly used as a reducing agent in analytical chemistry and as a nutrient for plants.
What are the uses of FAS in analytical chemistry?
FAS is widely used as a reducing agent in various analytical techniques. It is employed in titrations to determine the concentration of oxidizing agents, such as potassium permanganate and potassium dichromate. FAS can also be used in redox reactions for the quantitative analysis of metal ions.
How is FAS used as a plant nutrient?
FAS is a source of iron for plants. Iron is an essential micronutrient required for various physiological processes, including photosynthesis, chlorophyll synthesis, and enzyme activity. Applying FAS to soil or using it as a foliar spray can help prevent or correct iron deficiency in plants.
Is FAS safe to use?
FAS is generally considered safe when used as directed. However, it is important to follow manufacturer's instructions and avoid excessive exposure. FAS can cause skin irritation or respiratory problems if inhaled in large amounts. It is also recommended to wear appropriate protective gear when handling FAS.
Where can I buy FAS?
FAS is available from chemical suppliers and online retailers. It is typically sold in various quantities, ranging from small amounts for laboratory use to bulk quantities for industrial purposes. When purchasing FAS, ensure that you obtain it from a reputable source and follow proper storage and handling guidelines.
Final Words: FAS (Ferrous Ammonium Sulfate) is an essential compound in analytical chemistry, primarily used as a reducing agent in redox titrations. Its stoichiometric reaction, rapid reactivity, stability, and low cost contribute to its widespread application in various analytical procedures.
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