Volhard’s Method

Estimation of Sodium Chloride (NaCl) by Precipitation Titration

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Introduction Sodium chloride (NaCl) is crucial in various fields such as pharmaceuticals, food, water analysis, and chemical industries. Its estimation is commonly performed using precipitation titration methods such as Mohr’s, Volhard’s, or Fajan’s methods. These methods involve titration of chloride ions (Cl−) with silver nitrate (AgNO3), forming a precipitate of silver chloride (AgCl). Methods for … Read more

Volhard’s Method

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Introduction Volhard’s method is a back titration technique used for the determination of chloride (Cl⁻), bromide (Br⁻), and iodide (I⁻) ions. It employs silver nitrate (AgNO₃) as a titrant to precipitate the halide ions, and the unreacted silver ions are then titrated with potassium thiocyanate (KSCN) using ferric ammonium sulfate as an indicator. This method … Read more

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