Determination of Cl- ions by colorimetric titration: Charpentier-Volhardt’s method
Equipment and reagents
- Standard laboratory equipment, in particular: analytical scale, burette, glassware.
- Silver nitrate 0.1 mol/L (aqueous solution)
- Potassium thiocyanate 0.1 mol/L (aqueous solution)
- Concentrated nitric acid
- Iron nitrate (III) at 1 mol/L (aqueous solution)