Division 4.12 Reagent for clarification (Carrez I)

Dissolve 219,5 gram zinc acetate (4.5) in water in a beaker glass. Rinse into a volumetric flask of 1 000 ml, add 30 ml acetic acid (4.8). 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.