Division 4.13 Reagent for clarification (Carrez II)

Dissolve 106,0 gram potassium hexacyanoferrate (II) (4.6) in water in a beaker glass. Rinse into a volumetric flask of 1 000 ml. Mix thoroughly and make up with water. This solution may be used for max. 6 months while stored at ambient temperature.

Other clarification reagents, equivalent to Carrez solution, may be used.